Personal Health Device Implementation Guide
2.0.0 - STU 2 International flag

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

Raw json | Download

{
  "resourceType" : "ValueSet",
  "id" : "MDCTimeSyncMethods",
  "meta" : {
    "profile" : [
      🔗 "http://hl7.org/fhir/StructureDefinition/shareablevalueset"
    ]
  },
  "language" : "en",
  "text" : {
    "status" : "extensions",
    "div" : "<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>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "dev"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/phd/ImplementationGuide/hl7.fhir.uv.phd"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/phd/ImplementationGuide/hl7.fhir.uv.phd"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/phd/ValueSet/MDCTimeSyncMethods",
  "version" : "2.0.0",
  "name" : "MDCTimeSyncMethods",
  "title" : "MDC Time Synchronization Methods",
  "status" : "active",
  "experimental" : false,
  "date" : "2026-03-31T13:40:50+00:00",
  "publisher" : "HL7 International / Devices",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/healthcaredevices"
        }
      ]
    }
  ],
  "description" : "ValueSet for the MDC codes representing time synchronization methods such as NTP, GPS, and others.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001"
        }
      ]
    }
  ],
  "compose" : {
    "include" : [
      {
        "system" : "urn:iso:std:iso:11073:10101",
        "concept" : [
          {
            "code" : "532224"
          },
          {
            "code" : "532225"
          },
          {
            "code" : "532226"
          },
          {
            "code" : "532227"
          },
          {
            "code" : "532228"
          },
          {
            "code" : "532229"
          },
          {
            "code" : "532230"
          },
          {
            "code" : "532231"
          },
          {
            "code" : "532232"
          },
          {
            "code" : "532233"
          },
          {
            "code" : "532234"
          },
          {
            "code" : "532235"
          },
          {
            "code" : "532236"
          },
          {
            "code" : "532237"
          },
          {
            "code" : "532238"
          }
        ]
      }
    ]
  }
}