Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 // start-block imports import { LOINC, MedplumClient, UCUM, createReference, findObservationInterval } from '@medplum/core'; import type { Observation, ObservationDefinition, Patient } from '@medplum/fhirtypes'; // end-block imports const medplum = new MedplumClient(); let resource = await medplum.createResource<ObservationDefinition>( //start-block highRange { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '38483-4', display: 'Creatinine [Mass/volume] in Blood', }, ], }, qualifiedInterval: [ { condition: 'Normal', range: { low: { value: 20, unit: 'mg/dL', system: UCUM, }, }, }, ], } //end-block highRange ); resource = await medplum.createResource<ObservationDefinition>( //start-block midRange { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '38483-4', display: 'Creatinine [Mass/volume] in Blood', }, ], }, qualifiedInterval: [ { condition: 'Normal', range: { low: { value: 10, unit: 'mg/dL', system: UCUM, }, high: { value: 100, unit: 'mg/dL', system: UCUM, }, }, }, ], } //end-block midRange ); resource = await medplum.createResource<ObservationDefinition>( //start-block lowRange { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '38483-4', display: 'Creatinine [Mass/volume] in Blood', }, ], }, qualifiedInterval: [ { condition: 'Normal', range: { high: { value: 5, unit: 'mg/dL', system: UCUM, }, }, }, ], } //end-block lowRange ); resource = await medplum.createResource<ObservationDefinition>( //start-block allRanges { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '38483-4', display: 'Creatinine [Mass/volume] in Blood', }, ], }, qualifiedInterval: [ { context: { text: 'Low', }, range: { high: { value: 9, unit: 'mg/dL', system: UCUM, code: 'mg/dL', }, }, }, { context: { text: 'Normal', }, range: { low: { value: 10, unit: 'mg/dL', system: UCUM, code: 'mg/dL', }, high: { value: 99, unit: 'mg/dL', system: UCUM, code: 'mg/dL', }, }, }, { context: { text: 'High', }, range: { low: { value: 100, unit: 'mg/dL', system: UCUM, code: 'mg/dL', }, }, }, ], } //end-block allRanges ); const testosteroneDefinition = await medplum.createResource<ObservationDefinition>( //start-block testosterone { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '2990-0', display: 'Testosterone.free+weakly bound [Mass/volume] in Serum or Plasma', }, ], text: 'Testosterone', }, qualifiedInterval: [ { // highlight-start gender: 'male', age: { low: { value: 11, unit: 'years', }, high: { value: 29, unit: 'years', }, }, // highlight-end condition: 'Normal', range: { low: { value: 200, unit: 'ng/dL', }, high: { value: 900, unit: 'ng/dL', }, }, }, { // highlight-start gender: 'male', age: { low: { value: 30, unit: 'years', }, }, // highlight-end condition: 'High', range: { low: { value: 300, unit: 'ng/dL', }, high: { value: 1000, unit: 'ng/dL', }, }, }, { // highlight-start gender: 'female', age: { low: { value: 11, unit: 'years', }, high: { value: 14, unit: 'years', }, }, // highlight-end condition: 'Normal', range: { low: { value: 15, unit: 'ng/dL', }, high: { value: 70, unit: 'ng/dL', }, }, }, { // highlight-start gender: 'female', age: { low: { value: 15, unit: 'years', }, }, // highlight-end condition: 'High', range: { low: { value: 30, unit: 'ng/dL', }, high: { value: 95, unit: 'ng/dL', }, }, }, ], } //end-block testosterone ); // start-block findInterval const jane: Patient = { resourceType: 'Patient', name: [{ given: ['Jane'], family: 'Doe' }], gender: 'female', birthDate: '1970-01-01', }; const janeTestosterone: Observation = { resourceType: 'Observation', status: 'final', code: { coding: [ { system: LOINC, code: '2990-0', display: 'Testosterone.free+weakly bound [Mass/volume] in Serum or Plasma', }, ], text: 'Testosterone', }, subject: createReference(jane), valueQuantity: { value: 32, unit: 'ng/dL', }, }; // highlight-next-line findObservationInterval(testosteroneDefinition, jane, janeTestosterone.valueQuantity?.value as number); // Returns // { // gender: 'female', // age: { // low: { // value: 15, // unit: 'years', // }, // }, // condition: 'High', // range: { // low: { // value: 30, // unit: 'ng/dL', // }, // high: { // value: 95, // unit: 'ng/dL', // }, // }, // }, // end-block findInterval resource = await medplum.createResource<ObservationDefinition>( // start-block categories { resourceType: 'ObservationDefinition', code: { coding: [ { system: LOINC, code: '2093-3', display: 'Cholesterol in HDL [Mass/volume] in Serum or Plasma', }, ], text: 'HDL Cholesterol', }, qualifiedInterval: [ // Reference ranges { // highlight-next-line category: 'reference', range: { low: { value: 21, unit: 'mg/dL', }, high: { value: 39, unit: 'mg/dL', }, }, condition: 'Low', }, { // highlight-next-line category: 'reference', range: { low: { value: 40, unit: 'mg/dL', }, high: { value: 60, unit: 'mg/dL', }, }, condition: 'Normal', }, { // highlight-next-line category: 'reference', range: { low: { value: 61, unit: 'mg/dL', }, high: { value: 99, unit: 'mg/dL', }, }, condition: 'High', }, // Critical Ranges { // highlight-next-line category: 'critical', range: { high: { value: 20, unit: 'mg/dL', }, }, condition: 'Critical Low', }, { // highlight-next-line category: 'critical', range: { low: { value: 100, unit: 'mg/dL', }, }, condition: 'Critical High', }, // Absolute Range { // highlight-next-line category: 'absolute', range: { low: { value: 0, unit: 'mg/dL', }, high: { value: 120, unit: 'mg/dL', }, }, condition: 'Absolute Range', }, ], } // end-block categories ); console.log(resource);