Personal Health Device Implementation Guide
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Personal Health Device Implementation Guide, published by HL7 International / Devices. This guide is not an authorized publication; it is the continuous build for version 2.0.0 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

: MDC Time Synchronization Methods

Page standards status: Trial-use Maturity Level: 2

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<ValueSet xmlns="http://hl7.org/fhir">
  <id value="MDCTimeSyncMethods"/>
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    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ValueSet MDCTimeSyncMethods</b></p><a name="MDCTimeSyncMethods"> </a><a name="hcMDCTimeSyncMethods"> </a><div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%"><p style="margin-bottom: 0px"/><p style="margin-bottom: 0px">Profile: <a href="http://hl7.org/fhir/R4/shareablevalueset.html">Shareable ValueSet</a></p></div><ul><li>Include these codes as defined in <a href="http://tx.fhir.org/r4"><code>urn:iso:std:iso:11073:10101</code></a><span style="opacity: 0.5" title="Version is not explicitly stated. When building this specification, the most recent version 2024-12-05 has been used"> version ⏿2024-12-05</span><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532224">532224</a></td><td style="color: #cccccc">MDC_TIME_SYNC_NONE</td><td>An uncalibrated and unsynchronized local clock source</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532225">532225</a></td><td style="color: #cccccc">MDC_TIME_SYNC_NTPV3</td><td>Network Time Protocol Version 3.0 (RFC 1305)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532226">532226</a></td><td style="color: #cccccc">MDC_TIME_SYNC_NTPV4</td><td>Network Time Protocol Version 4.0 (under dev)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532227">532227</a></td><td style="color: #cccccc">MDC_TIME_SYNC_SNTPV4</td><td>Simple Network Time Protocol v4 (RFC 2030)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532228">532228</a></td><td style="color: #cccccc">MDC_TIME_SYNC_SNTPV4330</td><td>Simple Network Time Protocol v4 (RFC 4330)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532229">532229</a></td><td style="color: #cccccc">MDC_TIME_SYNC_BTV1</td><td>Bluetooth Medical Device Profile</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532230">532230</a></td><td style="color: #cccccc">MDC_TIME_SYNC_RADIO</td><td>Atomic Clock synchronization through RF</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532231">532231</a></td><td style="color: #cccccc">MDC_TIME_SYNC_HL7_NCK</td><td>Synchronized via Health Level 7 NCK (network clock)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532232">532232</a></td><td style="color: #cccccc">MDC_TIME_SYNC_CDMA</td><td>CDMA mobile telecommunications synchronization</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532233">532233</a></td><td style="color: #cccccc">MDC_TIME_SYNC_GSM</td><td>GSM - Network Identity and Time Zone (NITZ)</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532234">532234</a></td><td style="color: #cccccc">MDC_TIME_SYNC_EBWW</td><td>A manually set time, by ‘eyeball and wristwatch’</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532235">532235</a></td><td style="color: #cccccc">MDC_TIME_SYNC_USB_SOF</td><td>Synced to the 1kHz USB &quot;start-of-frame&quot; clock</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532236">532236</a></td><td style="color: #cccccc">MDC_TIME_SYNC_OTHER</td><td>A time sync method that is out of scope for IEEE 11073</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532237">532237</a></td><td style="color: #cccccc">MDC_TIME_SYNC_OTHER_MOBILE</td><td>A time sync method based on other mobile network technology that is not listed above</td></tr><tr><td><a href="http://tx.fhir.org/r4/ValueSet/MDC#MDC-532238">532238</a></td><td style="color: #cccccc">MDC_TIME_SYNC_GPS</td><td>A time sync method based on GPS information</td></tr></table></li></ul></div>
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  <url value="http://hl7.org/fhir/uv/phd/ValueSet/MDCTimeSyncMethods"/>
  <version value="2.0.0"/>
  <name value="MDCTimeSyncMethods"/>
  <title value="MDC Time Synchronization Methods"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-03-31T13:40:50+00:00"/>
  <publisher value="HL7 International / Devices"/>
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      <value value="http://www.hl7.org/Special/committees/healthcaredevices"/>
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  <description
               value="ValueSet for the MDC codes representing time synchronization methods such as NTP, GPS, and others."/>
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