{"resourceType":"CapabilityStatement","url":"http://hl7.org/fhir/CapabilityStatement/terminology-server","version":"0.29.5","fhirVersion":"5.0.0","status":"active","date":"2026-05-10","publisher":"Echidna Systems","format":["json","application/fhir+json"],"kind":"instance","instantiates":["http://hl7.org/fhir/CapabilityStatement/terminology-server"],"software":{"name":"Echidna Terminology Server"},"implementation":{"description":"Echidna Terminology Server","url":"https://echidna.fhir.org"},"rest":[{"mode":"server","security":{"description":"Requests are anonymous by default and subject to per-IP rate limits. Supply an API token in the HTTP `Authorization: Bearer <token>` header to authenticate and receive your plan's higher rate and volume limits."},"resource":[{"type":"CodeSystem","profile":"http://hl7.org/fhir/StructureDefinition/CodeSystem","documentation":"Serves the full OMOP vocabulary (system 'https://fhir-terminology.ohdsi.org').","interaction":[{"code":"read"},{"code":"search-type"}],"searchParam":[{"name":"_summary","type":"token","documentation":"Request a summary of the resource ('true', 'false', 'data', 'text')"}],"operation":[{"name":"lookup","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-lookup"},{"name":"subsumes","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-subsumes"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/CodeSystem-validate-code"}]},{"type":"ValueSet","profile":"http://hl7.org/fhir/StructureDefinition/ValueSet","documentation":"$expand caps the 'count' parameter (600 on the free tier; higher on paid plans). Use the 'offset' parameter to page through larger expansions.","interaction":[{"code":"read"},{"code":"search-type"}],"operation":[{"name":"expand","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-expand"},{"name":"validate-code","definition":"http://hl7.org/fhir/OperationDefinition/ValueSet-validate-code"}]},{"type":"ConceptMap","profile":"http://hl7.org/fhir/StructureDefinition/ConceptMap","documentation":"$translate accepts a source 'system' of 'https://fhir-terminology.ohdsi.org' (OMOP concept_ids, for OMOP → source reverse translation) or one of these source vocabularies (source → OMOP): ATC (http://www.whocc.no/atc), CVX (http://hl7.org/fhir/sid/cvx), ICD10 (http://hl7.org/fhir/sid/icd-10), ICD10CM (http://hl7.org/fhir/sid/icd-10-cm), ICD10CN (http://hl7.org/fhir/sid/icd-10-cn), ICD10GM (http://hl7.org/fhir/sid/icd-10-gm), ICD9CM (http://hl7.org/fhir/sid/icd-9-cm), ICD9Proc (http://hl7.org/fhir/sid/icd-9), ICD9ProcCN (http://hl7.org/fhir/sid/icd-9-cn), LOINC (http://loinc.org), MDC (urn:iso:std:iso:11073:10101), NDC (http://hl7.org/fhir/sid/ndc), NDFRT (http://hl7.org/fhir/ndfrt), NUCC (http://nucc.org/provider-taxonomy), RxNorm (http://www.nlm.nih.gov/research/umls/rxnorm), SNOMED (http://snomed.info/sct), UCUM (http://unitsofmeasure.org). Whether a translation is returned depends on the mappings present in the loaded vocabulary release.","interaction":[{"code":"read"},{"code":"search-type"}],"operation":[{"name":"translate","definition":"http://hl7.org/fhir/OperationDefinition/ConceptMap-translate"}]}]}]}