SMART Base
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SMART Base, published by WHO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/WorldHealthOrganization/smart-base/tree/main and changes regularly. See the Directory of published versions

CodeSystem: Classification of Digital Health Interventions v2 (Experimental)

Official URL: http://smart.who.int/base/CodeSystem/CDHIv2 Version: 0.2.0
Active as of 2026-03-09 Computable Name: CDHIv2

Copyright/Legal: WHO © 2023. Some rights reserved. CC BY-NC-SA 3.0 IGO.

CodeSystem for the Classification of Digital Interventions, Services and Applications in Health (CDISAH), second edition (2023). ISBN 978-92-4-008194-9.

Organised into four groups based on the primary user:

  1. Persons
  2. Healthcare providers
  3. Health management and support personnel
  4. Data services

New categories vs v1: 1.4.4, 1.6.2, 1.8, 2.5.6, 2.11, 3.1.5, 3.5.7, 3.5.8, 3.8, 4.3.5, 4.4.2, 4.4.3, 4.5. See ConceptMap CDHIv1toCDHIv2 for the full mapping from the first edition.

This Code system is referenced in the content logical definition of the following value sets:

This case-insensitive code system http://smart.who.int/base/CodeSystem/CDHIv2 defines the following codes:

CodeDisplay
1 Persons
1.1 Targeted communication to Persons
1.1.1 Transmit health event alerts to specific population group(s)
1.1.2 Transmit targeted health information to person(s) based on health status or demographics
1.1.3 Transmit targeted alerts and reminders to person(s)
1.1.4 Transmit diagnostics result, or availability of result, to person(s)
1.2 Untargeted communication to Persons
1.2.1 Transmit untargeted health information to an undefined population
1.2.2 Transmit untargeted health event alerts to undefined group
1.3 Person to Person communication
1.3.1 Peer group for individuals
1.4 Personal health tracking
1.4.1 Access by the individual to own medical or summary health records
1.4.2 Self monitoring of health or diagnostic data by the individual
1.4.3 Active data capture/documentation by an individual
1.4.4 Access by the individual to verifiable documentation of a health event or health status
1.5 Person based reporting
1.5.1 Reporting of health system feedback by persons
1.5.2 Reporting of public health events by persons
1.6 On demand communication with persons
1.6.1 Look-up of information on health and health services by individuals
1.6.2 Simulated human-like conversations with individual(s)
1.7 Person-centred financial transactions
1.7.1 Transmit or manage out-of-pocket payments by individuals
1.7.2 Transmit or manage vouchers to individuals for health services
1.7.3 Transmit or manage incentives to individuals for health services
1.8 Person-centred consent management
1.8.1 Manage provision and withdrawal of consent by individuals
2 Healthcare providers
2.1 Identification and registration of persons
2.1.1 Verify a person's unique identity
2.1.2 Enrol person(s) for health services/clinical care plan
2.2 Person-centred health records
2.2.1 Longitudinal tracking of person's health status and services
2.2.2 Manage person-centred structured clinical records
2.2.3 Manage person-centred unstructured clinical records (e.g. notes, images, documents)
2.2.4 Routine health indicator data collection and management
2.3 Healthcare provider decision support
2.3.1 Provide prompts and alerts based according to protocol
2.3.2 Provide checklist according to protocol
2.3.3 Screen persons by risk or other health status
2.4 Telemedicine
2.4.1 Consultations between remote person and healthcare provider
2.4.2 Remote monitoring of person's health or diagnostic data by provider
2.4.3 Transmission of medical data (e.g. images, notes, and videos) to healthcare provider
2.4.4 Consultations for case management between healthcare providers
2.5 Healthcare provider communication
2.5.1 Communication from healthcare provider to supervisor(s)
2.5.2 Communication and performance feedback to healthcare provider(s)
2.5.3 Transmit routine news and workflow notifications to healthcare provider(s)
2.5.4 Transmit non-routine health event alerts to healthcare provider(s)
2.5.5 Peer group for healthcare providers
2.5.6 Generative AI for tailored content creation
2.6 Referral coordination
2.6.1 Coordinate emergency response and transport
2.6.2 Manage referrals between points of service within health sector
2.6.3 Manage referrals between health and other sectors (social services, police, justice, economic support schemes)
2.7 Scheduling and activity planning for healthcare providers
2.7.1 Identify persons in need of services
2.7.2 Schedule healthcare provider's activities
2.8 Healthcare provider training
2.8.1 Provide training content to healthcare provider(s)
2.8.2 Assess capacity of healthcare provider(s)
2.9 Prescription and medication management
2.9.1 Transmit or track prescription orders
2.9.2 Track individual's medication consumption
2.9.3 Report adverse drug effects
2.10 Laboratory and diagnostics imaging management
2.10.1 Transmit person's diagnostic result to healthcare provider
2.10.2 Transmit and track diagnostic orders
2.10.3 Capture diagnostic results from digital devices
2.10.4 Track biological specimens
2.11 Healthcare provider financial transactions
2.11.1 Verify individual's health coverage and financing scheme membership
2.11.2 Receive payments from individuals
3 Health management and support personnel
3.1 Human resource management
3.1.1 List health workforce cadres and related identification information
3.1.2 Monitor performance of healthcare provider(s)
3.1.3 Manage registration/certification of healthcare provider(s)
3.1.4 Record training credentials of healthcare provider(s)
3.1.5 Manage health workforce activities
3.2 Supply chain management
3.2.1 Manage inventory and distribution of health commodities
3.2.2 Notify stock levels of health commodities
3.2.3 Monitor cold-chain sensitive commodities
3.2.4 Register licensed drugs and health commodities
3.2.5 Manage procurement of commodities
3.2.6 Report counterfeit or substandard drugs by persons
3.3 Public health event notification
3.3.1 Notification of public health events from point of diagnosis
3.4 Civil Registration and Vital Statistics (CRVS)
3.4.1 Notify, register and certify birth event
3.4.2 Notify, register and certify death event
3.5 Health system financial management
3.5.1 Register and verify health coverage scheme membership of persons
3.5.2 Track and manage insurance billing and claims processes
3.5.3 Transmit and manage payments to health facilities
3.5.4 Transmit and manage routine payroll payment to healthcare provider(s)
3.5.5 Transmit or manage financial incentives to healthcare provider(s)
3.5.6 Manage and plan budget allocations, revenue and expenditures
3.5.7 Determine level of subsidies for health coverage schemes
3.5.8 Collect health insurance contributions
3.6 Equipment and asset management
3.6.1 Monitor status and maintenance of health equipment
3.6.2 Track regulation and licensing of medical equipment
3.7 Facility management
3.7.1 List health facilities and related information
3.7.2 Assess health facilities
3.8 Person-centred health certificate management
3.8.1 Register and store current health certificate information
3.8.2 Retrieve and validate current health certificate information
3.8.3 Revoke and update health certificate
4 Data services
4.1 Data Management
4.1.1 Form creation for data acquisition
4.1.2 Data storage and aggregation
4.1.3 Data synthesis and visualizations
4.1.4 Automated analysis of data to generate new information or predictions on future events
4.2 Data coding
4.2.1 Parse unstructured data into structured data
4.2.2 Merge, de-duplicate and curate coded datasets or terminologies
4.2.3 Classify disease codes or cause of mortality
4.3 Geospatial information management
4.3.1 Map location of health facilities/structures and households
4.3.2 Map location of health event
4.3.3 Map location of persons and settlements
4.3.4 Map location of healthcare provider(s)
4.3.5 Map health and health indicator data to geographic data
4.4 Data exchange and interoperability
4.4.1 Point-to-point data integration
4.4.2 Standards-compliant interoperability
4.4.3 Message routing
4.5 Data governance compliance
4.5.1 Authentication and authorisation
4.5.2 Data privacy protection
4.5.3 Data consent and provenance
4.5.4 Trust architecture