Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import type { Encounter, EncounterDiagnosis } from '@medplum/fhirtypes'; import { OID_ENCOUNTER_ACTIVITIES, OID_ENCOUNTER_LOCATION, OID_LOINC_CODE_SYSTEM, OID_PROBLEM_OBSERVATION, OID_SNOMED_CT_CODE_SYSTEM, } from '../../oids'; import { mapCodeableConceptToCcdaCode, mapCodeableConceptToCcdaValue } from '../../systems'; import type { CcdaEntry, CcdaEntryRelationship, CcdaId } from '../../types'; import type { FhirToCcdaConverter } from '../convert'; import { createTextFromExtensions, mapEffectivePeriod, mapEffectiveTime, mapIdentifiers } from '../utils'; export function createEncounterEntry(converter: FhirToCcdaConverter, encounter: Encounter): CcdaEntry { return { encounter: [ { '@_classCode': 'ENC', '@_moodCode': 'EVN', templateId: [ { '@_root': OID_ENCOUNTER_ACTIVITIES, }, { '@_root': OID_ENCOUNTER_ACTIVITIES, '@_extension': '2015-08-01', }, ], id: mapIdentifiers(encounter.id, encounter.identifier), code: mapCodeableConceptToCcdaCode(encounter.type?.[0]), text: createTextFromExtensions(encounter.extension), effectiveTime: mapEffectiveTime(undefined, encounter.period), participant: encounter.participant?.map((participant) => ({ '@_typeCode': 'LOC', participantRole: { '@_classCode': 'SDLOC', templateId: [ { '@_root': OID_ENCOUNTER_LOCATION, }, ], code: mapCodeableConceptToCcdaCode(participant.type?.[0]), }, })), entryRelationship: encounter.diagnosis?.map((d) => createEncounterDiagnosis(converter, d)).filter(Boolean) as | CcdaEntryRelationship[] | undefined, }, ], }; } function createEncounterDiagnosis( converter: FhirToCcdaConverter, diagnosis: EncounterDiagnosis ): CcdaEntryRelationship | undefined { const condition = converter.findResourceByReference(diagnosis.condition); if (condition?.resourceType !== 'Condition') { return undefined; } return { '@_typeCode': 'REFR', act: [ { '@_classCode': 'ACT', '@_moodCode': 'EVN', templateId: [ { '@_root': OID_ENCOUNTER_ACTIVITIES, '@_extension': '2015-08-01' }, { '@_root': OID_ENCOUNTER_ACTIVITIES }, ], code: { '@_code': '29308-4', // Diagnosis '@_displayName': 'Diagnosis', '@_codeSystem': OID_LOINC_CODE_SYSTEM, '@_codeSystemName': 'LOINC', }, entryRelationship: [ { '@_typeCode': 'SUBJ', observation: [ { '@_classCode': 'OBS', '@_moodCode': 'EVN', templateId: [ { '@_root': OID_PROBLEM_OBSERVATION, '@_extension': '2015-08-01' }, { '@_root': OID_PROBLEM_OBSERVATION }, ], id: mapIdentifiers(condition.id, condition.identifier) as CcdaId[], code: { '@_code': '282291009', // Diagnosis interpretation '@_displayName': 'Diagnosis interpretation', '@_codeSystem': OID_SNOMED_CT_CODE_SYSTEM, '@_codeSystemName': 'SNOMED CT', translation: [ { '@_code': '29308-4', // Diagnosis '@_displayName': 'Diagnosis', '@_codeSystem': OID_LOINC_CODE_SYSTEM, '@_codeSystemName': 'LOINC', }, ], }, statusCode: { '@_code': 'completed' }, effectiveTime: mapEffectivePeriod(condition.onsetDateTime, condition.abatementDateTime), value: mapCodeableConceptToCcdaValue(condition.code), }, ], }, ], }, ], }; }