Terminology Servers

Centralised terminology services providing SNOMED CT, LOINC, ICD, and Malaysian Drug Catalogue lookups, validation, and crosswalks.

SNOWSTORM (SNOMED CT)

SNOMED International terminology server with Malaysian extensions and refsets.

HAPI FHIR JPA (LOINC/UCUM)

CodeSystem and ValueSet operations for lab results and units of measure.

ICD-11 / ICD-9-CM

WHO classification browser with legacy ICD-9 crosswalks for billing.

MDC & ORDERABLES / BILLING

Malaysian Drug Catalogue, orderable medications, and billing item codes.

CROSSWALKS (MDC↔SNOMED)

Bi-directional mappings for medication reconciliation. RxNorm planned Phase 2.

ICD-11 / ICD-9-CM

OAuth scopes for system/CodeSystem.read and user/ValueSet.expand operations.

Base Endpoints

SNOMED CT Snowstorm

https://terminology.dhd.moh.gov.my/snowstorm

FHIR Terminology Service

https://terminology.dhd.moh.gov.my/fhir/R4

ICD-11 Browser

https://terminology.dhd.moh.gov.my/icd11

Example: ValueSet Expansion
Expand a value set to retrieve all codes for a specific clinical domain:

GET /fhir/R4/ValueSet/$expand?url=http://dhd.moh.gov.my/fhir/ValueSet/diabetes-medications

Authorization: Bearer YOUR_ACCESS_TOKEN