WHO Immunization Implementation Guide
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WHO Immunization Implementation Guide, published by World Health Organization (WHO). This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-immunizations and changes regularly. See the Directory of published versions

: IMMZ.D CodeSystem for Data Elements - XML Representation

Draft as of 2024-05-30

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="IMMZ.D"/>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>This case-insensitive code system <code>http://smart.who.int/ig/smart-immunizations/CodeSystem/IMMZ.D</code> defines the following codes:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style="white-space:nowrap">DE156<a name="IMMZ.D-DE156"> </a></td><td>Immunization recommendation status</td><td>The current status or recommendation for a specific immunization for an client</td></tr><tr><td style="white-space:nowrap">DE157<a name="IMMZ.D-DE157"> </a></td><td>Not due</td><td>The client is not currently eligible or scheduled for the specified immunization</td></tr><tr><td style="white-space:nowrap">DE158<a name="IMMZ.D-DE158"> </a></td><td>Due</td><td>The client is currently eligible and should receive the specified immunization based on the recommended schedule</td></tr><tr><td style="white-space:nowrap">DE189<a name="IMMZ.D-DE189"> </a></td><td>Complete</td><td>The client has received the specified immunization(s) based on the recommended schedule</td></tr><tr><td style="white-space:nowrap">DE159<a name="IMMZ.D-DE159"> </a></td><td>Contraindicated</td><td>The specified immunization is not recommended for the client due to contraindications</td></tr><tr><td style="white-space:nowrap">DE160<a name="IMMZ.D-DE160"> </a></td><td>Further evaluation needed</td><td>Additional assessment is necessary before making a recommendation regarding the specified immunization</td></tr><tr><td style="white-space:nowrap">DE161<a name="IMMZ.D-DE161"> </a></td><td>Potential contraindications</td><td>Specific situations or medical conditions in which it is advised or recommended to avoid or delay administering a particular vaccine</td></tr><tr><td style="white-space:nowrap">DE162<a name="IMMZ.D-DE162"> </a></td><td>Currently pregnant</td><td>The client is currently pregnant</td></tr><tr><td style="white-space:nowrap">DE163<a name="IMMZ.D-DE163"> </a></td><td>Immunocompromised</td><td>The client is known to be immunocompromised</td></tr><tr><td style="white-space:nowrap">DE200<a name="IMMZ.D-DE200"> </a></td><td>Severely immunocompromised</td><td>The client is known to be severely immunocompromised</td></tr><tr><td style="white-space:nowrap">DE164<a name="IMMZ.D-DE164"> </a></td><td>Exposed to immunosuppressive treatment</td><td>The client is undergoing immunosuppressive treatment or was exposed to immunosuppressive treatment in utero or via breastfeeding.</td></tr><tr><td style="white-space:nowrap">DE165<a name="IMMZ.D-DE165"> </a></td><td>Severely immunosuppressed</td><td>The client is known to be severely immunosuppressed</td></tr><tr><td style="white-space:nowrap">DE187<a name="IMMZ.D-DE187"> </a></td><td>Immunodeficiency syndromes</td><td>The client has  immunodeficiency syndromes (e.g. HIV/AIDS, known or suspected congenital immunodeficiency, leukaemia, lymphoma or other malignant disease)</td></tr><tr><td style="white-space:nowrap">DE166<a name="IMMZ.D-DE166"> </a></td><td>History of anaphylactic reactions</td><td>The client is known to have history of anaphylaxis in the past</td></tr><tr><td style="white-space:nowrap">DE167<a name="IMMZ.D-DE167"> </a></td><td>Severe allergic reactions</td><td>The client is known to have severe allergic reaction</td></tr><tr><td style="white-space:nowrap">DE168<a name="IMMZ.D-DE168"> </a></td><td>Symptomatic HIV infection</td><td>The client is experiencing HIV-related symptoms</td></tr><tr><td style="white-space:nowrap">DE169<a name="IMMZ.D-DE169"> </a></td><td>Planning to get pregnant in the next month</td><td>The client's intention or desire is to become pregnant in the next month</td></tr><tr><td style="white-space:nowrap">DE170<a name="IMMZ.D-DE170"> </a></td><td>Receiving blood products</td><td>The client is receiving blood or blood-related products as part of a medical treatment.</td></tr><tr><td style="white-space:nowrap">DE188<a name="IMMZ.D-DE188"> </a></td><td>Severe acute illness</td><td>The client has a severe acute illness</td></tr><tr><td style="white-space:nowrap">DE190<a name="IMMZ.D-DE190"> </a></td><td>TB disease</td><td>The client has been diagnosed with Tuberculosis</td></tr><tr><td style="white-space:nowrap">DE191<a name="IMMZ.D-DE191"> </a></td><td>Breastfeeding</td><td>The client is currently breastfeeding</td></tr><tr><td style="white-space:nowrap">DE192<a name="IMMZ.D-DE192"> </a></td><td>Spina bifida</td><td>The client has Spina bifida</td></tr><tr><td style="white-space:nowrap">DE193<a name="IMMZ.D-DE193"> </a></td><td>Bladder exstrophy</td><td>The client has Exstrophy of urinary bladder</td></tr><tr><td style="white-space:nowrap">DE194<a name="IMMZ.D-DE194"> </a></td><td>Acute gastroenteritis</td><td>The client has acute gastroenteritis</td></tr><tr><td style="white-space:nowrap">DE195<a name="IMMZ.D-DE195"> </a></td><td>Moderate to severe fever</td><td>The client has moderate to severe fever</td></tr><tr><td style="white-space:nowrap">DE196<a name="IMMZ.D-DE196"> </a></td><td>Prior history of intussusception</td><td>The client has prior history of intussusception</td></tr><tr><td style="white-space:nowrap">DE197<a name="IMMZ.D-DE197"> </a></td><td>Altered immunocompetence</td><td>The client's immune system is not functioning at its typical capacity</td></tr><tr><td style="white-space:nowrap">DE198<a name="IMMZ.D-DE198"> </a></td><td>Hypersensitivity to vaccine components</td><td>The client has heightened sensitivity or allergic reactions to specific components found in vaccines</td></tr><tr><td style="white-space:nowrap">DE199<a name="IMMZ.D-DE199"> </a></td><td>Taking antibiotics</td><td>The client is currently taking antibiotics to treat certain infections</td></tr><tr><td style="white-space:nowrap">DE1<a name="IMMZ.D-DE1"> </a></td><td>Immunization event status</td><td>The current status of the individual immunization event</td></tr><tr><td style="white-space:nowrap">DE2<a name="IMMZ.D-DE2"> </a></td><td>Completed</td><td>The immunization event was successfully carried out as intended</td></tr><tr><td style="white-space:nowrap">DE3<a name="IMMZ.D-DE3"> </a></td><td>Entered in error</td><td>Immunization event record has been mistakenly created or entered into system. Recorded information is incorrect or should not have been documented, though it is possible that real-world decisions were based on it</td></tr><tr><td style="white-space:nowrap">DE4<a name="IMMZ.D-DE4"> </a></td><td>Not done</td><td>Planned immunization event was not carried out for some reason</td></tr><tr><td style="white-space:nowrap">DE5<a name="IMMZ.D-DE5"> </a></td><td>Reason vaccine was not administered</td><td>The reason this immunization event was not performed</td></tr><tr><td style="white-space:nowrap">DE6<a name="IMMZ.D-DE6"> </a></td><td>Immunity</td><td>Testing has shown that the client already has immunity to the agent targeted by the immunization</td></tr><tr><td style="white-space:nowrap">DE7<a name="IMMZ.D-DE7"> </a></td><td>Medical precaution</td><td>The client currently has a medical condition for which the vaccine is contraindicated or for which precaution is warranted</td></tr><tr><td style="white-space:nowrap">DE8<a name="IMMZ.D-DE8"> </a></td><td>Product out of stock</td><td>There was no supply of the product on hand to perform the service</td></tr><tr><td style="white-space:nowrap">DE9<a name="IMMZ.D-DE9"> </a></td><td>Client objection</td><td>The client or their guardian objects to receiving the vaccine</td></tr><tr><td style="white-space:nowrap">DE10<a name="IMMZ.D-DE10"> </a></td><td>Caregiver refusal</td><td>The client's caregiver refused the vaccine</td></tr><tr><td style="white-space:nowrap">DE11<a name="IMMZ.D-DE11"> </a></td><td>Unspecified reason</td><td>The immunization event was not carried out for an unspecified reason</td></tr><tr><td style="white-space:nowrap">DE12<a name="IMMZ.D-DE12"> </a></td><td>Client allergy to vaccine or component</td><td>The immunization event was not carried out because of client allergy to vaccine or component</td></tr><tr><td style="white-space:nowrap">DE13<a name="IMMZ.D-DE13"> </a></td><td>Immunocompromised</td><td>The immunization event was not carried out because the client is immunocompromised</td></tr><tr><td style="white-space:nowrap">DE14<a name="IMMZ.D-DE14"> </a></td><td>Chronic illness or condition</td><td>The immunization event was not carried out due a chronic illness or condition of the client</td></tr><tr><td style="white-space:nowrap">DE15<a name="IMMZ.D-DE15"> </a></td><td>Acute illness</td><td>The immunization event was not carried out due to an acute illness present in the client</td></tr><tr><td style="white-space:nowrap">DE16<a name="IMMZ.D-DE16"> </a></td><td>Had the disease</td><td>The immunization event was not carried out due to the client having had the disease</td></tr><tr><td style="white-space:nowrap">DE17<a name="IMMZ.D-DE17"> </a></td><td>Immunization not carried out for other reasons</td><td>The immunization event was not carried out for other reasons</td></tr><tr><td style="white-space:nowrap">DE18<a name="IMMZ.D-DE18"> </a></td><td>Vaccine brand</td><td>The brand or trade name used to refer to the vaccine received</td></tr><tr><td style="white-space:nowrap">DE173<a name="IMMZ.D-DE173"> </a></td><td>Live vaccine</td><td>Uses a living but weakened version of the virus or one that’s very similar</td></tr><tr><td style="white-space:nowrap">DE19<a name="IMMZ.D-DE19"> </a></td><td>Vaccine type</td><td>Vaccine type/category that was administered or was to be administered. Any vaccine code available in the IMMZ.Z Vaccine Library list of codes applies in this data element</td></tr><tr><td style="white-space:nowrap">DE20<a name="IMMZ.D-DE20"> </a></td><td>Date and time of vaccination</td><td>Represents the visit/encounter date, which is the date and time when the vaccine was administered to the client</td></tr><tr><td style="white-space:nowrap">DE21<a name="IMMZ.D-DE21"> </a></td><td>Country of vaccination</td><td>The service delivery country where the vaccine administration occurred</td></tr><tr><td style="white-space:nowrap">DE22<a name="IMMZ.D-DE22"> </a></td><td>Vaccination location</td><td>The service delivery location where the vaccine administration occurred</td></tr><tr><td style="white-space:nowrap">DE23<a name="IMMZ.D-DE23"> </a></td><td>Vaccine manufacturer</td><td>The manufacturer of the vaccine product</td></tr><tr><td style="white-space:nowrap">DE24<a name="IMMZ.D-DE24"> </a></td><td>Vaccine batch number</td><td>Batch number or lot number of vaccine</td></tr><tr><td style="white-space:nowrap">DE25<a name="IMMZ.D-DE25"> </a></td><td>Vaccine market authorization holder</td><td>Name of the market authorization holder of the vaccine received. If market authorization holder is unknown, vaccine manufacturer is REQUIRED</td></tr><tr><td style="white-space:nowrap">DE26<a name="IMMZ.D-DE26"> </a></td><td>Expiration date</td><td>The expiration date of the vaccine</td></tr><tr><td style="white-space:nowrap">DE34<a name="IMMZ.D-DE34"> </a></td><td>Dose quantity</td><td>The quantity of vaccine product that was administered</td></tr><tr><td style="white-space:nowrap">DE35<a name="IMMZ.D-DE35"> </a></td><td>Health worker identifier</td><td>The person, organization, or role of the entity that performed the act of giving the vaccine to the client. The implementing system can choose to populate this field using data from a health worker registry or health facility registry</td></tr><tr><td style="white-space:nowrap">DE201<a name="IMMZ.D-DE201"> </a></td><td>Contact date</td><td>The date and time of the client's contact</td></tr><tr><td style="white-space:nowrap">DE202<a name="IMMZ.D-DE202"> </a></td><td>ANC contact number</td><td>The ANC contact or visit number</td></tr><tr><td style="white-space:nowrap">DE203<a name="IMMZ.D-DE203"> </a></td><td>Currently pregnant</td><td>Client's pregnancy status</td></tr><tr><td style="white-space:nowrap">DE86<a name="IMMZ.D-DE86"> </a></td><td>Client education and counselling on immunization</td><td>Providing information, guidance, and support to client or caretakers (such as parents or legal guardians) regarding immunization practices</td></tr><tr><td style="white-space:nowrap">DE87<a name="IMMZ.D-DE87"> </a></td><td>Counselling on functions of the immunological system</td><td>Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response</td></tr><tr><td style="white-space:nowrap">DE88<a name="IMMZ.D-DE88"> </a></td><td>Advising about functions of the immunological system</td><td>Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response</td></tr><tr><td style="white-space:nowrap">DE89<a name="IMMZ.D-DE89"> </a></td><td>Education to influence immunization behaviours</td><td>Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases</td></tr><tr><td style="white-space:nowrap">DE90<a name="IMMZ.D-DE90"> </a></td><td>Advising about immunization behaviours</td><td>Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases</td></tr><tr><td style="white-space:nowrap">DE91<a name="IMMZ.D-DE91"> </a></td><td>Awareness raising to influence immunization behaviours</td><td>Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases</td></tr><tr><td style="white-space:nowrap">DE92<a name="IMMZ.D-DE92"> </a></td><td>Reaction reported</td><td>Indicates observation of an adverse event/ reaction</td></tr><tr><td style="white-space:nowrap">DE93<a name="IMMZ.D-DE93"> </a></td><td>Reaction date</td><td>When adverse event/ reaction started</td></tr><tr><td style="white-space:nowrap">DE95<a name="IMMZ.D-DE95"> </a></td><td>Reaction manifestation</td><td>The manifestation of the reaction (e.g. infected abscess, swelling, rash, hives, diarrhea, etc.) which was observed after administering the vaccine</td></tr><tr><td style="white-space:nowrap">DE96<a name="IMMZ.D-DE96"> </a></td><td>Severe local reaction</td><td>The client's reaction manifested in severe local reaction</td></tr><tr><td style="white-space:nowrap">DE98<a name="IMMZ.D-DE98"> </a></td><td>Seizures</td><td>The client's reaction manifested in seizures</td></tr><tr><td style="white-space:nowrap">DE99<a name="IMMZ.D-DE99"> </a></td><td>Abscess</td><td>The client's reaction manifested in an abscess</td></tr><tr><td style="white-space:nowrap">DE100<a name="IMMZ.D-DE100"> </a></td><td>Sepsis</td><td>The client's reaction manifested in sepsis</td></tr><tr><td style="white-space:nowrap">DE101<a name="IMMZ.D-DE101"> </a></td><td>Encephalopathy</td><td>The client's reaction manifested in encephalopathy</td></tr><tr><td style="white-space:nowrap">DE102<a name="IMMZ.D-DE102"> </a></td><td>Toxic shock syndrome</td><td>The client's reaction manifested in toxic shock syndrome</td></tr><tr><td style="white-space:nowrap">DE103<a name="IMMZ.D-DE103"> </a></td><td>Anaphylaxis</td><td>The client's reaction manifested in anaphylaxis</td></tr><tr><td style="white-space:nowrap">DE104<a name="IMMZ.D-DE104"> </a></td><td>Fever</td><td>The client's reaction manifested as a fever</td></tr><tr><td style="white-space:nowrap">DE105<a name="IMMZ.D-DE105"> </a></td><td>Other</td><td>The client's reaction manifested in another way</td></tr><tr><td style="white-space:nowrap">DE107<a name="IMMZ.D-DE107"> </a></td><td>Type of reaction</td><td>If the event resulted in a reaction, the type of reaction</td></tr><tr><td style="white-space:nowrap">DE174<a name="IMMZ.D-DE174"> </a></td><td>Non serious</td><td>The reaction resulted in a mild or minor response and did not pose a significant threat to client's health</td></tr><tr><td style="white-space:nowrap">DE108<a name="IMMZ.D-DE108"> </a></td><td>Death</td><td>The reaction resulted in the client's death</td></tr><tr><td style="white-space:nowrap">DE109<a name="IMMZ.D-DE109"> </a></td><td>Life threatening</td><td>The reaction threatened the client's life</td></tr><tr><td style="white-space:nowrap">DE110<a name="IMMZ.D-DE110"> </a></td><td>Disability</td><td>The reaction resulted in a disability</td></tr><tr><td style="white-space:nowrap">DE111<a name="IMMZ.D-DE111"> </a></td><td>Hospitalization</td><td>The reaction resulted in a hospitalization</td></tr><tr><td style="white-space:nowrap">DE112<a name="IMMZ.D-DE112"> </a></td><td>Congenital anomaly</td><td>The reaction was a congenital anomaly or birth defect</td></tr><tr><td style="white-space:nowrap">DE113<a name="IMMZ.D-DE113"> </a></td><td>Other important medical event (specify)</td><td>There was another important reaction or medical event</td></tr><tr><td style="white-space:nowrap">DE115<a name="IMMZ.D-DE115"> </a></td><td>Reaction outcome</td><td>The outcome of the reaction (e.g. death, recovered, recovering)</td></tr><tr><td style="white-space:nowrap">DE116<a name="IMMZ.D-DE116"> </a></td><td>Died</td><td>The adverse event resulted in the client's death</td></tr><tr><td style="white-space:nowrap">DE117<a name="IMMZ.D-DE117"> </a></td><td>Recovered</td><td>The client fully recovered</td></tr><tr><td style="white-space:nowrap">DE118<a name="IMMZ.D-DE118"> </a></td><td>Recovered with sequelae</td><td>The client is recovered with sequelae as a consequence of the reaction/vaccination</td></tr><tr><td style="white-space:nowrap">DE119<a name="IMMZ.D-DE119"> </a></td><td>Recovering</td><td>The client is recovering</td></tr><tr><td style="white-space:nowrap">DE120<a name="IMMZ.D-DE120"> </a></td><td>Not recovered</td><td>The client has not recovered</td></tr><tr><td style="white-space:nowrap">DE121<a name="IMMZ.D-DE121"> </a></td><td>Unknown</td><td>The client's reaction outcome is unknown</td></tr><tr><td style="white-space:nowrap">DE124<a name="IMMZ.D-DE124"> </a></td><td>Dose number</td><td>Vaccine dose number including dose number within series</td></tr><tr><td style="white-space:nowrap">DE125<a name="IMMZ.D-DE125"> </a></td><td>Total doses in series</td><td>The recommended number of doses for immunity according to the national protocol (which may be based on product, age, etc)</td></tr><tr><td style="white-space:nowrap">DE126<a name="IMMZ.D-DE126"> </a></td><td>Disease targeted</td><td>Vaccine preventable disease being targeted</td></tr><tr><td style="white-space:nowrap">DE127<a name="IMMZ.D-DE127"> </a></td><td>Typhoid</td><td>The vaccine preventable disease being targeted is typhoid</td></tr><tr><td style="white-space:nowrap">DE128<a name="IMMZ.D-DE128"> </a></td><td>Influenza</td><td>The vaccine preventable disease being targeted is  influenza</td></tr><tr><td style="white-space:nowrap">DE129<a name="IMMZ.D-DE129"> </a></td><td>Measles</td><td>The vaccine preventable disease being targeted is measles</td></tr><tr><td style="white-space:nowrap">DE133<a name="IMMZ.D-DE133"> </a></td><td>Pertussis</td><td>The vaccine preventable disease being targeted is pertussis</td></tr><tr><td style="white-space:nowrap">DE135<a name="IMMZ.D-DE135"> </a></td><td>Mumps</td><td>The vaccine preventable disease being targeted is mumps</td></tr><tr><td style="white-space:nowrap">DE136<a name="IMMZ.D-DE136"> </a></td><td>Varicella</td><td>The vaccine preventable disease being targeted is varicella</td></tr><tr><td style="white-space:nowrap">DE137<a name="IMMZ.D-DE137"> </a></td><td>Viral hepatitis A</td><td>The vaccine preventable disease being targeted is viral hepatitis A</td></tr><tr><td style="white-space:nowrap">DE139<a name="IMMZ.D-DE139"> </a></td><td>Tuberculosis</td><td>The vaccine preventable disease being targeted is tuberculosis</td></tr><tr><td style="white-space:nowrap">DE140<a name="IMMZ.D-DE140"> </a></td><td>Viral hepatitis B</td><td>The vaccine preventable disease being targeted is viral hepatitis B</td></tr><tr><td style="white-space:nowrap">DE141<a name="IMMZ.D-DE141"> </a></td><td>Haemophilus influenzae type B</td><td>The vaccine preventable disease being targeted is Haemophilus influenzae type B (Hib)</td></tr><tr><td style="white-space:nowrap">DE142<a name="IMMZ.D-DE142"> </a></td><td>Tetanus</td><td>The vaccine preventable disease being targeted is tetanus</td></tr><tr><td style="white-space:nowrap">DE143<a name="IMMZ.D-DE143"> </a></td><td>Rotavirus</td><td>The vaccine preventable disease being targeted is rotavirus</td></tr><tr><td style="white-space:nowrap">DE144<a name="IMMZ.D-DE144"> </a></td><td>Human papillomavirus</td><td>The vaccine preventable disease being targeted is Human papillomavirus (HPV) infection</td></tr><tr><td style="white-space:nowrap">DE175<a name="IMMZ.D-DE175"> </a></td><td>Japanese encephalitis</td><td>The vaccine preventable disease being targeted is japanese encephalitis</td></tr><tr><td style="white-space:nowrap">DE146<a name="IMMZ.D-DE146"> </a></td><td>Poliomyelitis</td><td>The vaccine preventable disease being targeted is poliomyelitis</td></tr><tr><td style="white-space:nowrap">DE176<a name="IMMZ.D-DE176"> </a></td><td>Diphtheria</td><td>The vaccine preventable disease being targeted is diphtheria</td></tr><tr><td style="white-space:nowrap">DE177<a name="IMMZ.D-DE177"> </a></td><td>Pneumococcal disease</td><td>The vaccine preventable disease being targeted is pneumococcal</td></tr><tr><td style="white-space:nowrap">DE178<a name="IMMZ.D-DE178"> </a></td><td>Rubella</td><td>The vaccine preventable disease being targeted is rubella</td></tr><tr><td style="white-space:nowrap">DE179<a name="IMMZ.D-DE179"> </a></td><td>Dengue</td><td>The vaccine preventable disease being targeted is dengue</td></tr><tr><td style="white-space:nowrap">DE180<a name="IMMZ.D-DE180"> </a></td><td>Rabies</td><td>The vaccine preventable disease being targeted is rabies</td></tr><tr><td style="white-space:nowrap">DE181<a name="IMMZ.D-DE181"> </a></td><td>Meningococcal</td><td>The vaccine preventable disease being targeted is meningococcal</td></tr><tr><td style="white-space:nowrap">DE182<a name="IMMZ.D-DE182"> </a></td><td>Cholera</td><td>The vaccine preventable disease being targeted is cholera</td></tr><tr><td style="white-space:nowrap">DE183<a name="IMMZ.D-DE183"> </a></td><td>Tick-borne encephalitis</td><td>The vaccine preventable disease being targeted is Tick-Borne encephalitis</td></tr><tr><td style="white-space:nowrap">DE184<a name="IMMZ.D-DE184"> </a></td><td>Yellow fever</td><td>The vaccine preventable disease being targeted is yellow fever</td></tr><tr><td style="white-space:nowrap">DE148<a name="IMMZ.D-DE148"> </a></td><td>COVID-19</td><td>The vaccine preventable disease being targeted is coronovirus disease (COVID-19)</td></tr><tr><td style="white-space:nowrap">DE149<a name="IMMZ.D-DE149"> </a></td><td>Due date of next dose</td><td>Date on which the next vaccination should be administered, if a next dose is required</td></tr><tr><td style="white-space:nowrap">DE185<a name="IMMZ.D-DE185"> </a></td><td>Date/time of follow-up appointment</td><td>Date the patient is to return for next vaccination</td></tr><tr><td style="white-space:nowrap">DE186<a name="IMMZ.D-DE186"> </a></td><td>Recommended follow-up date</td><td>Date when follow-up is recommended based on vaccination schedule</td></tr><tr><td style="white-space:nowrap">DE150<a name="IMMZ.D-DE150"> </a></td><td>Digital certificate needed</td><td>Indicates if a digital certificate is required</td></tr><tr><td style="white-space:nowrap">DE151<a name="IMMZ.D-DE151"> </a></td><td>Certificate issuer</td><td>The authority or authorized organization that issued the vaccination certificate</td></tr><tr><td style="white-space:nowrap">DE152<a name="IMMZ.D-DE152"> </a></td><td>Health Certificate Identifier (HCID)</td><td>Unique identifier used to associate the immunization event represented in a paper vaccination card to its digital representation(s)</td></tr><tr><td style="white-space:nowrap">DE153<a name="IMMZ.D-DE153"> </a></td><td>Certificate valid from</td><td>Date in which the certificate for an immunization event became valid.  No health or clinical inferences should be made from this date</td></tr><tr><td style="white-space:nowrap">DE154<a name="IMMZ.D-DE154"> </a></td><td>Certificate valid until</td><td>Last date in which the certificate for an immunization event is valid. No health or clinical inferences should be made from this date</td></tr><tr><td style="white-space:nowrap">DE155<a name="IMMZ.D-DE155"> </a></td><td>Certificate schema version</td><td>Version of the core data set and HL7 Fast Health Interoperability Resrouces (FHIR) Implementation Guide that the certificate is using</td></tr></table></div>
  </text>
  <url value="http://smart.who.int/ig/smart-immunizations/CodeSystem/IMMZ.D"/>
  <version value="0.1.0"/>
  <name value="IMMZ_D"/>
  <title value="IMMZ.D CodeSystem for Data Elements"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2024-05-30T21:26:16+00:00"/>
  <publisher value="World Health Organization (WHO)"/>
  <contact>
    <name value="World Health Organization (WHO)"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.who.int"/>
    </telecom>
  </contact>
  <description value="CodeSystem for IMMZ.D Data Elements"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="false"/>
  <content value="complete"/>
  <count value="131"/>
  <concept>
    <code value="DE156"/>
    <display value="Immunization recommendation status"/>
    <definition
                value="The current status or recommendation for a specific immunization for an client"/>
  </concept>
  <concept>
    <code value="DE157"/>
    <display value="Not due"/>
    <definition
                value="The client is not currently eligible or scheduled for the specified immunization"/>
  </concept>
  <concept>
    <code value="DE158"/>
    <display value="Due"/>
    <definition
                value="The client is currently eligible and should receive the specified immunization based on the recommended schedule"/>
  </concept>
  <concept>
    <code value="DE189"/>
    <display value="Complete"/>
    <definition
                value="The client has received the specified immunization(s) based on the recommended schedule"/>
  </concept>
  <concept>
    <code value="DE159"/>
    <display value="Contraindicated"/>
    <definition
                value="The specified immunization is not recommended for the client due to contraindications"/>
  </concept>
  <concept>
    <code value="DE160"/>
    <display value="Further evaluation needed"/>
    <definition
                value="Additional assessment is necessary before making a recommendation regarding the specified immunization"/>
  </concept>
  <concept>
    <code value="DE161"/>
    <display value="Potential contraindications"/>
    <definition
                value="Specific situations or medical conditions in which it is advised or recommended to avoid or delay administering a particular vaccine"/>
  </concept>
  <concept>
    <code value="DE162"/>
    <display value="Currently pregnant"/>
    <definition value="The client is currently pregnant"/>
  </concept>
  <concept>
    <code value="DE163"/>
    <display value="Immunocompromised"/>
    <definition value="The client is known to be immunocompromised"/>
  </concept>
  <concept>
    <code value="DE200"/>
    <display value="Severely immunocompromised"/>
    <definition value="The client is known to be severely immunocompromised"/>
  </concept>
  <concept>
    <code value="DE164"/>
    <display value="Exposed to immunosuppressive treatment"/>
    <definition
                value="The client is undergoing immunosuppressive treatment or was exposed to immunosuppressive treatment in utero or via breastfeeding."/>
  </concept>
  <concept>
    <code value="DE165"/>
    <display value="Severely immunosuppressed"/>
    <definition value="The client is known to be severely immunosuppressed"/>
  </concept>
  <concept>
    <code value="DE187"/>
    <display value="Immunodeficiency syndromes"/>
    <definition
                value="The client has  immunodeficiency syndromes (e.g. HIV/AIDS, known or suspected congenital immunodeficiency, leukaemia, lymphoma or other malignant disease)"/>
  </concept>
  <concept>
    <code value="DE166"/>
    <display value="History of anaphylactic reactions"/>
    <definition
                value="The client is known to have history of anaphylaxis in the past"/>
  </concept>
  <concept>
    <code value="DE167"/>
    <display value="Severe allergic reactions"/>
    <definition value="The client is known to have severe allergic reaction"/>
  </concept>
  <concept>
    <code value="DE168"/>
    <display value="Symptomatic HIV infection"/>
    <definition value="The client is experiencing HIV-related symptoms"/>
  </concept>
  <concept>
    <code value="DE169"/>
    <display value="Planning to get pregnant in the next month"/>
    <definition
                value="The client's intention or desire is to become pregnant in the next month"/>
  </concept>
  <concept>
    <code value="DE170"/>
    <display value="Receiving blood products"/>
    <definition
                value="The client is receiving blood or blood-related products as part of a medical treatment."/>
  </concept>
  <concept>
    <code value="DE188"/>
    <display value="Severe acute illness"/>
    <definition value="The client has a severe acute illness"/>
  </concept>
  <concept>
    <code value="DE190"/>
    <display value="TB disease"/>
    <definition value="The client has been diagnosed with Tuberculosis"/>
  </concept>
  <concept>
    <code value="DE191"/>
    <display value="Breastfeeding"/>
    <definition value="The client is currently breastfeeding"/>
  </concept>
  <concept>
    <code value="DE192"/>
    <display value="Spina bifida"/>
    <definition value="The client has Spina bifida"/>
  </concept>
  <concept>
    <code value="DE193"/>
    <display value="Bladder exstrophy"/>
    <definition value="The client has Exstrophy of urinary bladder"/>
  </concept>
  <concept>
    <code value="DE194"/>
    <display value="Acute gastroenteritis"/>
    <definition value="The client has acute gastroenteritis"/>
  </concept>
  <concept>
    <code value="DE195"/>
    <display value="Moderate to severe fever"/>
    <definition value="The client has moderate to severe fever"/>
  </concept>
  <concept>
    <code value="DE196"/>
    <display value="Prior history of intussusception"/>
    <definition value="The client has prior history of intussusception"/>
  </concept>
  <concept>
    <code value="DE197"/>
    <display value="Altered immunocompetence"/>
    <definition
                value="The client's immune system is not functioning at its typical capacity"/>
  </concept>
  <concept>
    <code value="DE198"/>
    <display value="Hypersensitivity to vaccine components"/>
    <definition
                value="The client has heightened sensitivity or allergic reactions to specific components found in vaccines"/>
  </concept>
  <concept>
    <code value="DE199"/>
    <display value="Taking antibiotics"/>
    <definition
                value="The client is currently taking antibiotics to treat certain infections"/>
  </concept>
  <concept>
    <code value="DE1"/>
    <display value="Immunization event status"/>
    <definition
                value="The current status of the individual immunization event"/>
  </concept>
  <concept>
    <code value="DE2"/>
    <display value="Completed"/>
    <definition
                value="The immunization event was successfully carried out as intended"/>
  </concept>
  <concept>
    <code value="DE3"/>
    <display value="Entered in error"/>
    <definition
                value="Immunization event record has been mistakenly created or entered into system. Recorded information is incorrect or should not have been documented, though it is possible that real-world decisions were based on it"/>
  </concept>
  <concept>
    <code value="DE4"/>
    <display value="Not done"/>
    <definition
                value="Planned immunization event was not carried out for some reason"/>
  </concept>
  <concept>
    <code value="DE5"/>
    <display value="Reason vaccine was not administered"/>
    <definition value="The reason this immunization event was not performed"/>
  </concept>
  <concept>
    <code value="DE6"/>
    <display value="Immunity"/>
    <definition
                value="Testing has shown that the client already has immunity to the agent targeted by the immunization"/>
  </concept>
  <concept>
    <code value="DE7"/>
    <display value="Medical precaution"/>
    <definition
                value="The client currently has a medical condition for which the vaccine is contraindicated or for which precaution is warranted"/>
  </concept>
  <concept>
    <code value="DE8"/>
    <display value="Product out of stock"/>
    <definition
                value="There was no supply of the product on hand to perform the service"/>
  </concept>
  <concept>
    <code value="DE9"/>
    <display value="Client objection"/>
    <definition
                value="The client or their guardian objects to receiving the vaccine"/>
  </concept>
  <concept>
    <code value="DE10"/>
    <display value="Caregiver refusal"/>
    <definition value="The client's caregiver refused the vaccine"/>
  </concept>
  <concept>
    <code value="DE11"/>
    <display value="Unspecified reason"/>
    <definition
                value="The immunization event was not carried out for an unspecified reason"/>
  </concept>
  <concept>
    <code value="DE12"/>
    <display value="Client allergy to vaccine or component"/>
    <definition
                value="The immunization event was not carried out because of client allergy to vaccine or component"/>
  </concept>
  <concept>
    <code value="DE13"/>
    <display value="Immunocompromised"/>
    <definition
                value="The immunization event was not carried out because the client is immunocompromised"/>
  </concept>
  <concept>
    <code value="DE14"/>
    <display value="Chronic illness or condition"/>
    <definition
                value="The immunization event was not carried out due a chronic illness or condition of the client"/>
  </concept>
  <concept>
    <code value="DE15"/>
    <display value="Acute illness"/>
    <definition
                value="The immunization event was not carried out due to an acute illness present in the client"/>
  </concept>
  <concept>
    <code value="DE16"/>
    <display value="Had the disease"/>
    <definition
                value="The immunization event was not carried out due to the client having had the disease"/>
  </concept>
  <concept>
    <code value="DE17"/>
    <display value="Immunization not carried out for other reasons"/>
    <definition
                value="The immunization event was not carried out for other reasons"/>
  </concept>
  <concept>
    <code value="DE18"/>
    <display value="Vaccine brand"/>
    <definition
                value="The brand or trade name used to refer to the vaccine received"/>
  </concept>
  <concept>
    <code value="DE173"/>
    <display value="Live vaccine"/>
    <definition
                value="Uses a living but weakened version of the virus or one that’s very similar"/>
  </concept>
  <concept>
    <code value="DE19"/>
    <display value="Vaccine type"/>
    <definition
                value="Vaccine type/category that was administered or was to be administered. Any vaccine code available in the IMMZ.Z Vaccine Library list of codes applies in this data element"/>
  </concept>
  <concept>
    <code value="DE20"/>
    <display value="Date and time of vaccination"/>
    <definition
                value="Represents the visit/encounter date, which is the date and time when the vaccine was administered to the client"/>
  </concept>
  <concept>
    <code value="DE21"/>
    <display value="Country of vaccination"/>
    <definition
                value="The service delivery country where the vaccine administration occurred"/>
  </concept>
  <concept>
    <code value="DE22"/>
    <display value="Vaccination location"/>
    <definition
                value="The service delivery location where the vaccine administration occurred"/>
  </concept>
  <concept>
    <code value="DE23"/>
    <display value="Vaccine manufacturer"/>
    <definition value="The manufacturer of the vaccine product"/>
  </concept>
  <concept>
    <code value="DE24"/>
    <display value="Vaccine batch number"/>
    <definition value="Batch number or lot number of vaccine"/>
  </concept>
  <concept>
    <code value="DE25"/>
    <display value="Vaccine market authorization holder"/>
    <definition
                value="Name of the market authorization holder of the vaccine received. If market authorization holder is unknown, vaccine manufacturer is REQUIRED"/>
  </concept>
  <concept>
    <code value="DE26"/>
    <display value="Expiration date"/>
    <definition value="The expiration date of the vaccine"/>
  </concept>
  <concept>
    <code value="DE34"/>
    <display value="Dose quantity"/>
    <definition
                value="The quantity of vaccine product that was administered"/>
  </concept>
  <concept>
    <code value="DE35"/>
    <display value="Health worker identifier"/>
    <definition
                value="The person, organization, or role of the entity that performed the act of giving the vaccine to the client. The implementing system can choose to populate this field using data from a health worker registry or health facility registry"/>
  </concept>
  <concept>
    <code value="DE201"/>
    <display value="Contact date"/>
    <definition value="The date and time of the client's contact"/>
  </concept>
  <concept>
    <code value="DE202"/>
    <display value="ANC contact number"/>
    <definition value="The ANC contact or visit number"/>
  </concept>
  <concept>
    <code value="DE203"/>
    <display value="Currently pregnant"/>
    <definition value="Client's pregnancy status"/>
  </concept>
  <concept>
    <code value="DE86"/>
    <display value="Client education and counselling on immunization"/>
    <definition
                value="Providing information, guidance, and support to client or caretakers (such as parents or legal guardians) regarding immunization practices"/>
  </concept>
  <concept>
    <code value="DE87"/>
    <display value="Counselling on functions of the immunological system"/>
    <definition
                value="Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response"/>
  </concept>
  <concept>
    <code value="DE88"/>
    <display value="Advising about functions of the immunological system"/>
    <definition
                value="Explaining to the client or caregiver how the vaccines work by triggering the body to produce an immune response"/>
  </concept>
  <concept>
    <code value="DE89"/>
    <display value="Education to influence immunization behaviours"/>
    <definition
                value="Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases"/>
  </concept>
  <concept>
    <code value="DE90"/>
    <display value="Advising about immunization behaviours"/>
    <definition
                value="Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases"/>
  </concept>
  <concept>
    <code value="DE91"/>
    <display value="Awareness raising to influence immunization behaviours"/>
    <definition
                value="Public health interventions to improve general and accurate understanding and impacts of vaccines, and their role in preventing various diseases"/>
  </concept>
  <concept>
    <code value="DE92"/>
    <display value="Reaction reported"/>
    <definition value="Indicates observation of an adverse event/ reaction"/>
  </concept>
  <concept>
    <code value="DE93"/>
    <display value="Reaction date"/>
    <definition value="When adverse event/ reaction started"/>
  </concept>
  <concept>
    <code value="DE95"/>
    <display value="Reaction manifestation"/>
    <definition
                value="The manifestation of the reaction (e.g. infected abscess, swelling, rash, hives, diarrhea, etc.) which was observed after administering the vaccine"/>
  </concept>
  <concept>
    <code value="DE96"/>
    <display value="Severe local reaction"/>
    <definition
                value="The client's reaction manifested in severe local reaction"/>
  </concept>
  <concept>
    <code value="DE98"/>
    <display value="Seizures"/>
    <definition value="The client's reaction manifested in seizures"/>
  </concept>
  <concept>
    <code value="DE99"/>
    <display value="Abscess"/>
    <definition value="The client's reaction manifested in an abscess"/>
  </concept>
  <concept>
    <code value="DE100"/>
    <display value="Sepsis"/>
    <definition value="The client's reaction manifested in sepsis"/>
  </concept>
  <concept>
    <code value="DE101"/>
    <display value="Encephalopathy"/>
    <definition value="The client's reaction manifested in encephalopathy"/>
  </concept>
  <concept>
    <code value="DE102"/>
    <display value="Toxic shock syndrome"/>
    <definition
                value="The client's reaction manifested in toxic shock syndrome"/>
  </concept>
  <concept>
    <code value="DE103"/>
    <display value="Anaphylaxis"/>
    <definition value="The client's reaction manifested in anaphylaxis"/>
  </concept>
  <concept>
    <code value="DE104"/>
    <display value="Fever"/>
    <definition value="The client's reaction manifested as a fever"/>
  </concept>
  <concept>
    <code value="DE105"/>
    <display value="Other"/>
    <definition value="The client's reaction manifested in another way"/>
  </concept>
  <concept>
    <code value="DE107"/>
    <display value="Type of reaction"/>
    <definition
                value="If the event resulted in a reaction, the type of reaction"/>
  </concept>
  <concept>
    <code value="DE174"/>
    <display value="Non serious"/>
    <definition
                value="The reaction resulted in a mild or minor response and did not pose a significant threat to client's health"/>
  </concept>
  <concept>
    <code value="DE108"/>
    <display value="Death"/>
    <definition value="The reaction resulted in the client's death"/>
  </concept>
  <concept>
    <code value="DE109"/>
    <display value="Life threatening"/>
    <definition value="The reaction threatened the client's life"/>
  </concept>
  <concept>
    <code value="DE110"/>
    <display value="Disability"/>
    <definition value="The reaction resulted in a disability"/>
  </concept>
  <concept>
    <code value="DE111"/>
    <display value="Hospitalization"/>
    <definition value="The reaction resulted in a hospitalization"/>
  </concept>
  <concept>
    <code value="DE112"/>
    <display value="Congenital anomaly"/>
    <definition
                value="The reaction was a congenital anomaly or birth defect"/>
  </concept>
  <concept>
    <code value="DE113"/>
    <display value="Other important medical event (specify)"/>
    <definition
                value="There was another important reaction or medical event"/>
  </concept>
  <concept>
    <code value="DE115"/>
    <display value="Reaction outcome"/>
    <definition
                value="The outcome of the reaction (e.g. death, recovered, recovering)"/>
  </concept>
  <concept>
    <code value="DE116"/>
    <display value="Died"/>
    <definition value="The adverse event resulted in the client's death"/>
  </concept>
  <concept>
    <code value="DE117"/>
    <display value="Recovered"/>
    <definition value="The client fully recovered"/>
  </concept>
  <concept>
    <code value="DE118"/>
    <display value="Recovered with sequelae"/>
    <definition
                value="The client is recovered with sequelae as a consequence of the reaction/vaccination"/>
  </concept>
  <concept>
    <code value="DE119"/>
    <display value="Recovering"/>
    <definition value="The client is recovering"/>
  </concept>
  <concept>
    <code value="DE120"/>
    <display value="Not recovered"/>
    <definition value="The client has not recovered"/>
  </concept>
  <concept>
    <code value="DE121"/>
    <display value="Unknown"/>
    <definition value="The client's reaction outcome is unknown"/>
  </concept>
  <concept>
    <code value="DE124"/>
    <display value="Dose number"/>
    <definition
                value="Vaccine dose number including dose number within series"/>
  </concept>
  <concept>
    <code value="DE125"/>
    <display value="Total doses in series"/>
    <definition
                value="The recommended number of doses for immunity according to the national protocol (which may be based on product, age, etc)"/>
  </concept>
  <concept>
    <code value="DE126"/>
    <display value="Disease targeted"/>
    <definition value="Vaccine preventable disease being targeted"/>
  </concept>
  <concept>
    <code value="DE127"/>
    <display value="Typhoid"/>
    <definition
                value="The vaccine preventable disease being targeted is typhoid"/>
  </concept>
  <concept>
    <code value="DE128"/>
    <display value="Influenza"/>
    <definition
                value="The vaccine preventable disease being targeted is  influenza"/>
  </concept>
  <concept>
    <code value="DE129"/>
    <display value="Measles"/>
    <definition
                value="The vaccine preventable disease being targeted is measles"/>
  </concept>
  <concept>
    <code value="DE133"/>
    <display value="Pertussis"/>
    <definition
                value="The vaccine preventable disease being targeted is pertussis"/>
  </concept>
  <concept>
    <code value="DE135"/>
    <display value="Mumps"/>
    <definition
                value="The vaccine preventable disease being targeted is mumps"/>
  </concept>
  <concept>
    <code value="DE136"/>
    <display value="Varicella"/>
    <definition
                value="The vaccine preventable disease being targeted is varicella"/>
  </concept>
  <concept>
    <code value="DE137"/>
    <display value="Viral hepatitis A"/>
    <definition
                value="The vaccine preventable disease being targeted is viral hepatitis A"/>
  </concept>
  <concept>
    <code value="DE139"/>
    <display value="Tuberculosis"/>
    <definition
                value="The vaccine preventable disease being targeted is tuberculosis"/>
  </concept>
  <concept>
    <code value="DE140"/>
    <display value="Viral hepatitis B"/>
    <definition
                value="The vaccine preventable disease being targeted is viral hepatitis B"/>
  </concept>
  <concept>
    <code value="DE141"/>
    <display value="Haemophilus influenzae type B"/>
    <definition
                value="The vaccine preventable disease being targeted is Haemophilus influenzae type B (Hib)"/>
  </concept>
  <concept>
    <code value="DE142"/>
    <display value="Tetanus"/>
    <definition
                value="The vaccine preventable disease being targeted is tetanus"/>
  </concept>
  <concept>
    <code value="DE143"/>
    <display value="Rotavirus"/>
    <definition
                value="The vaccine preventable disease being targeted is rotavirus"/>
  </concept>
  <concept>
    <code value="DE144"/>
    <display value="Human papillomavirus"/>
    <definition
                value="The vaccine preventable disease being targeted is Human papillomavirus (HPV) infection"/>
  </concept>
  <concept>
    <code value="DE175"/>
    <display value="Japanese encephalitis"/>
    <definition
                value="The vaccine preventable disease being targeted is japanese encephalitis"/>
  </concept>
  <concept>
    <code value="DE146"/>
    <display value="Poliomyelitis"/>
    <definition
                value="The vaccine preventable disease being targeted is poliomyelitis"/>
  </concept>
  <concept>
    <code value="DE176"/>
    <display value="Diphtheria"/>
    <definition
                value="The vaccine preventable disease being targeted is diphtheria"/>
  </concept>
  <concept>
    <code value="DE177"/>
    <display value="Pneumococcal disease"/>
    <definition
                value="The vaccine preventable disease being targeted is pneumococcal"/>
  </concept>
  <concept>
    <code value="DE178"/>
    <display value="Rubella"/>
    <definition
                value="The vaccine preventable disease being targeted is rubella"/>
  </concept>
  <concept>
    <code value="DE179"/>
    <display value="Dengue"/>
    <definition
                value="The vaccine preventable disease being targeted is dengue"/>
  </concept>
  <concept>
    <code value="DE180"/>
    <display value="Rabies"/>
    <definition
                value="The vaccine preventable disease being targeted is rabies"/>
  </concept>
  <concept>
    <code value="DE181"/>
    <display value="Meningococcal"/>
    <definition
                value="The vaccine preventable disease being targeted is meningococcal"/>
  </concept>
  <concept>
    <code value="DE182"/>
    <display value="Cholera"/>
    <definition
                value="The vaccine preventable disease being targeted is cholera"/>
  </concept>
  <concept>
    <code value="DE183"/>
    <display value="Tick-borne encephalitis"/>
    <definition
                value="The vaccine preventable disease being targeted is Tick-Borne encephalitis"/>
  </concept>
  <concept>
    <code value="DE184"/>
    <display value="Yellow fever"/>
    <definition
                value="The vaccine preventable disease being targeted is yellow fever"/>
  </concept>
  <concept>
    <code value="DE148"/>
    <display value="COVID-19"/>
    <definition
                value="The vaccine preventable disease being targeted is coronovirus disease (COVID-19)"/>
  </concept>
  <concept>
    <code value="DE149"/>
    <display value="Due date of next dose"/>
    <definition
                value="Date on which the next vaccination should be administered, if a next dose is required"/>
  </concept>
  <concept>
    <code value="DE185"/>
    <display value="Date/time of follow-up appointment"/>
    <definition value="Date the patient is to return for next vaccination"/>
  </concept>
  <concept>
    <code value="DE186"/>
    <display value="Recommended follow-up date"/>
    <definition
                value="Date when follow-up is recommended based on vaccination schedule"/>
  </concept>
  <concept>
    <code value="DE150"/>
    <display value="Digital certificate needed"/>
    <definition value="Indicates if a digital certificate is required"/>
  </concept>
  <concept>
    <code value="DE151"/>
    <display value="Certificate issuer"/>
    <definition
                value="The authority or authorized organization that issued the vaccination certificate"/>
  </concept>
  <concept>
    <code value="DE152"/>
    <display value="Health Certificate Identifier (HCID)"/>
    <definition
                value="Unique identifier used to associate the immunization event represented in a paper vaccination card to its digital representation(s)"/>
  </concept>
  <concept>
    <code value="DE153"/>
    <display value="Certificate valid from"/>
    <definition
                value="Date in which the certificate for an immunization event became valid.  No health or clinical inferences should be made from this date"/>
  </concept>
  <concept>
    <code value="DE154"/>
    <display value="Certificate valid until"/>
    <definition
                value="Last date in which the certificate for an immunization event is valid. No health or clinical inferences should be made from this date"/>
  </concept>
  <concept>
    <code value="DE155"/>
    <display value="Certificate schema version"/>
    <definition
                value="Version of the core data set and HL7 Fast Health Interoperability Resrouces (FHIR) Implementation Guide that the certificate is using"/>
  </concept>
</CodeSystem>