Personal Health Device Implementation Guide
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Personal Health Device Implementation Guide, published by HL7 International / Health Care Devices. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/phd/ and changes regularly. See the Directory of published versions

: Example of a ASN1 BITs measurement from a Pulse Oximeter - XML Representation

Page standards status: Informative

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<Observation xmlns="http://hl7.org/fhir">
  <id value="bits-observation"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/uv/phd/StructureDefinition/PhdBitsEnumerationObservation"/>
  </meta>
  <text>
    <status value="additional"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>This observation results when a pulse oximeter is having difficulty obtaining the measurement, perhaps due to motion or position of the finger in the sensor, a bad signal, etc.</p></div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice">
    <valueReference>🔗 
      <reference value="Device/phg-ecde3d4e58532d31.000000000000"/>
    </valueReference>
  </extension>
  <extension
             url="http://hl7.org/fhir/uv/phd/StructureDefinition/CoincidentTimeStampReference">
    <valueReference>🔗 
      <reference value="Observation/coin-example-1"/>
    </valueReference>
  </extension>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://hl7.org/fhir/uv/phd/CodeSystem/PhdObservationCategories"/>
      <code value="phd"/>
    </coding>
  </category>
  <code>
    <coding>
      <system value="urn:iso:std:iso:11073:10101"/>
      <code value="150604"/>
      <display value="MDC_PULS_OXIM_DEV_STATUS"/>
    </coding>
  </code>
  <subject>🔗 
    <reference value="Patient/patientExample-1"/>
  </subject>
  <effectiveDateTime value="2018-11-11T19:07:48-05:00"/>
  <device>🔗 
    <reference value="Device/phd-74E8FFFEFF051C00.001C05FFE874"/>
  </device>
  <component>
    <code>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/ASN1ToHL7"/>
        <code value="150604.2"/>
        <display value="sensor-displaced"/>
      </coding>
    </code>
    <valueBoolean value="true"/>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/ASN1ToHL7"/>
        <code value="150604.7"/>
        <display value="signal-pulse-questionable"/>
      </coding>
    </code>
    <valueBoolean value="true"/>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/ASN1ToHL7"/>
        <code value="150604.10"/>
        <display value="signal-low-perfusion"/>
      </coding>
    </code>
    <valueBoolean value="true"/>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/ASN1ToHL7"/>
        <code value="150604.11"/>
        <display value="signal-poor"/>
      </coding>
    </code>
    <valueBoolean value="true"/>
  </component>
  <component>
    <code>
      <coding>
        <system value="http://terminology.hl7.org/CodeSystem/ASN1ToHL7"/>
        <code value="150604.12"/>
        <display value="signal-inadequate"/>
      </coding>
    </code>
    <valueBoolean value="true"/>
  </component>
</Observation>