<?xml version=“1.0” encoding=“UTF-8”?> <Observation xmlns=“hl7.org/fhir”>
<id value="bmi-using-related"/><!-- ======== need to fix vitals to removed fixed value 'has-member' ========== <meta> <profile value="http://hl7.org/fhir/StructureDefinition/vitalsigns"/> </meta> --><meta> <security> <system value="http://terminology.hl7.org/CodeSystem/v3-ActReason"/> <code value="HTEST"/> <display value="test health data"/> </security> </meta> <status value="final"/> <category> <coding> <system value="http://terminology.hl7.org/CodeSystem/observation-category"/> <code value="vital-signs"/> <display value="Vital Signs"/> </coding> <text value="Vital Signs"/> </category> <code> <coding> <system value="http://loinc.org"/> <code value="39156-5"/> <display value="Body mass index (BMI) [Ratio]"/> </coding> <text value="BMI"/> </code> <subject> <reference value="Patient/example"/> </subject> <effectiveDateTime value="1999-07-02"/> <valueQuantity> <value value="16.2"/> <unit value="kg/m2"/> <system value="http://unitsofmeasure.org"/> <code value="kg/m2"/> </valueQuantity> <derivedFrom> <reference value="Observation/bodyheight"/> <display value="Body Height"/> </derivedFrom> <derivedFrom> <reference value="Observation/example"/> <display value="Body Weight"/> </derivedFrom>
</Observation>