WHO Immunization Implementation Guide
1.0.0 - release

This page is part of the Immunizations (v1.0.0: Release) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

PlanDefinition: IMMZ.D2.DT.Hepatitis B.Delayed start

Official URL: http://smart.who.int/immunizations/PlanDefinition/IMMZD2DTHepatitisBDelayedStart Version: 1.0.0
Draft as of 2026-10-02 Computable Name: IMMZD2DTHepatitisBDelayedStart

IMMZ.D2.DT.Hepatitis B.Delayed start 3-dose schedule (no birth dose + 3 doses), delayed start

Id: IMMZD2DTHepatitisBDelayedStart
Url: IMMZ.D2.DT.Hepatitis B.Delayed start
Version: 1.0.0
Title: IMMZ.D2.DT.Hepatitis B.Delayed start
Status: draft
Type:

system: http://terminology.hl7.org/CodeSystem/plan-definition-type

code: eca-rule

Date: 2026-10-02 09:40:20+0000
Publisher: WHO
Description:

IMMZ.D2.DT.Hepatitis B.Delayed start 3-dose schedule (no birth dose + 3 doses), delayed start
Knowledge Capability: computable
Related Artifacts:

References

  • ​

    WHO recommendations for routine immunization - summary tables (January 2025)
Libraries:
IMMZD2DTHepatitisBDelayedStartLogic
Actions:
Determine if the client is due for a hepatitis B vaccination according to the national immunization schedule: Determine if the client is due for a hepatitis B vaccination according to the national immunization schedule 3-dose schedule (no birth dose + 3 doses), delayed start
If: Applicability: Client is due for hepatitis B vaccination (Client is due for hepatitis B vaccination)
Then: Definition: IMMZD2DTMR
Dynamic Values:
status: ('draft')
intent: ('proposal')
medication: (Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE6', display: 'Hepatitis B-containing vaccines' } }, display: 'Hepatitis B-containing vaccines' })
Determine if the client is due for a hepatitis B vaccination according to the national immunization schedule: Determine if the client is due for a hepatitis B vaccination according to the national immunization schedule 3-dose schedule (no birth dose + 3 doses), delayed start
If: Applicability: Client is due for a hepatitis B vaccination (Client is due for a hepatitis B vaccination)
Then: Definition: IMMZD2DTMR
Dynamic Values:
status: ('draft')
intent: ('proposal')
medication: (Concept { codes: { Code { system: 'http://smart.who.int/immunizations/CodeSystem/IMMZ.Z', code: 'DE6', display: 'Hepatitis B-containing vaccines' } }, display: 'Hepatitis B-containing vaccines' })
Check for Guidance for the patient regarding IMMZ.D2.DT.Hepatitis B.Delayed start.: Show Guidance for the patient regarding IMMZ.D2.DT.Hepatitis B.Delayed start.
If: Applicability: Has Guidance (Has Guidance)
Then: Definition: IMMZ.D2.DT.CR
Dynamic Values:
status: ('active')
payload.contentString: (Guidance)
category.coding: (Code { system: 'http://terminology.hl7.org/CodeSystem/communication-category', code: 'alert' })
priority: (Code { system: 'http://hl7.org/fhir/request-priority', code: 'routine' })