WHO Digital Documentation of COVID-19 Certificates (DDCC)
1.0.0 - CI Build International flag

WHO Digital Documentation of COVID-19 Certificates (DDCC), published by WHO. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/ddcc/tree/main and changes regularly. See the Directory of published versions

Resource Profile: DDCC Procedure

Official URL: http://smart.who.int/ddcc/StructureDefinition/DDCCProcedure Version: 1.0.0
Draft as of 2025-03-10 Computable Name: DDCCProcedure

A DDCC Procedure contains the content corresponding to a row in the Test Events section of a Paper DDCC. While this is not a further profile of the International Patient Summary (IPS) Procedure resouce, this is intended to map into an IPS Procedure resource.

Usage:

Formal Views of Profile Content

Description of Profiles, Differentials, Snapshots and how the different presentations work.

NameFlagsCard.TypeDescription & Constraintsdoco
.. Procedure 0..* ProcedureUvIps An action that is being or was performed on a patient
dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label
dom-6: A resource should have narrative for robust management
... implicitRules ?!Σ 0..1 uri A set of rules under which this content was created
ele-1: All FHIR elements must have a @value or children
... Slices for extension 1..* Extension Extension
Slice: Unordered, Open by value:url
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
.... extension:country S 1..1 code DDCC Country Of Event for Immunization
URL: http://smart.who.int/ddcc/StructureDefinition/DDCCCountryOfEvent
Binding: Iso3166-1-3 (preferred)
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... modifierExtension ?! 0..* Extension Extensions that cannot be ignored
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... code S 1..1 CodeableConceptIPS Concept - reference to a terminology or just text
Binding: Procedures - SNOMED CT + Absent/Unknown - IPS (preferred): SNOMED CT procedure code set or a code for absent/unknown procedure

Additional BindingsPurpose
Procedures - SNOMED CT IPS Free Set candidate
Absent or Unknown Procedures - IPS candidate

ele-1: All FHIR elements must have a @value or children
... subject SΣ 1..1 Reference(Patient (IPS)) Who the procedure was performed on
ele-1: All FHIR elements must have a @value or children
.... reference SΣC 1..1 string Literal reference, Relative, internal or absolute URL
ele-1: All FHIR elements must have a @value or children
... performed[x] SΣ 1..1 dateTime When the procedure was performed
ele-1: All FHIR elements must have a @value or children
.... Slices for extension Content/Rules for all slices
..... extension:data-absent-reason S 0..1 code performed[x] absence reason
URL: http://hl7.org/fhir/StructureDefinition/data-absent-reason
Binding: DataAbsentReason (required)
ele-1: All FHIR elements must have a @value or children
ext-1: Must have either extensions or value[x], not both
... location SΣ 0..1 Reference(Location) Where the procedure happened
ele-1: All FHIR elements must have a @value or children
... report S 1..1 Reference(DDCC Diagnostic Report) Any report resulting from the procedure
ele-1: All FHIR elements must have a @value or children
... usedReference S 1..1 Reference(DDCC Test) Items used during procedure
ele-1: All FHIR elements must have a @value or children

doco Documentation for this format

Terminology Bindings

PathConformanceValueSet / CodeURI
Procedure.statusrequiredFixed Value: completed
http://hl7.org/fhir/ValueSet/event-status|4.0.1
from the FHIR Standard
Procedure.codepreferredProceduresSnomedAbsentUnknownUvIps
http://hl7.org/fhir/uv/ips/ValueSet/procedures-snomed-absent-unknown-uv-ips

Constraints

IdGradePath(s)DetailsRequirements
dom-2errorProcedureIf the resource is contained in another resource, it SHALL NOT contain nested Resources
: contained.contained.empty()
dom-3errorProcedureIf the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource
: contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()
dom-4errorProcedureIf a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated
: contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()
dom-5errorProcedureIf a resource is contained in another resource, it SHALL NOT have a security label
: contained.meta.security.empty()
dom-6best practiceProcedureA resource should have narrative for robust management
: text.`div`.exists()
ele-1error**ALL** elementsAll FHIR elements must have a @value or children
: hasValue() or (children().count() > id.count())
ext-1error**ALL** extensionsMust have either extensions or value[x], not both
: extension.exists() != value.exists()

 

Other representations of profile: CSV, Excel, Schematron