{
  "resourceType" : "CodeSystem",
  "id" : "behavioral-biomarker-cs",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem behavioral-biomarker-cs</b></p><a name=\"behavioral-biomarker-cs\"> </a><a name=\"hcbehavioral-biomarker-cs\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/aerospace/CodeSystem/behavioral-biomarker-cs</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">cortisol-ugdl<a name=\"behavioral-biomarker-cs-cortisol-ugdl\"> </a></td><td>Cortisol (µg/dL)</td><td>Cortisol concentration used as a stress biomarker.</td></tr><tr><td style=\"white-space:nowrap\">hrv-ms<a name=\"behavioral-biomarker-cs-hrv-ms\"> </a></td><td>Heart rate variability (ms)</td><td>Root-mean-square or similar measure of HRV in milliseconds.</td></tr><tr><td style=\"white-space:nowrap\">sleep-duration-h<a name=\"behavioral-biomarker-cs-sleep-duration-h\"> </a></td><td>Sleep duration (hours)</td><td>Total nightly sleep duration in hours.</td></tr><tr><td style=\"white-space:nowrap\">sleep-efficiency-pct<a name=\"behavioral-biomarker-cs-sleep-efficiency-pct\"> </a></td><td>Sleep efficiency (%)</td><td>Percentage of time in bed spent asleep.</td></tr><tr><td style=\"white-space:nowrap\">awakenings-count<a name=\"behavioral-biomarker-cs-awakenings-count\"> </a></td><td>Nocturnal awakenings (count)</td><td>Number of awakenings during sleep period.</td></tr><tr><td style=\"white-space:nowrap\">speech-stress-index<a name=\"behavioral-biomarker-cs-speech-stress-index\"> </a></td><td>Speech stress index</td><td>Derived metric from speech prosody indicating stress level.</td></tr><tr><td style=\"white-space:nowrap\">activity-level<a name=\"behavioral-biomarker-cs-activity-level\"> </a></td><td>Activity level</td><td>Gross motor activity level from accelerometry.</td></tr><tr><td style=\"white-space:nowrap\">reaction-time-ms<a name=\"behavioral-biomarker-cs-reaction-time-ms\"> </a></td><td>Reaction time (ms)</td><td>Reaction time in milliseconds from vigilance or cognitive tests.</td></tr></table></div>"
  },
  "url" : "http://hl7.org/fhir/uv/aerospace/CodeSystem/behavioral-biomarker-cs",
  "version" : "0.5.12",
  "name" : "BehavioralBiomarkerCS",
  "title" : "Behavioral Biomarker Code System",
  "status" : "active",
  "date" : "2026-03-25T00:24:16-05:00",
  "publisher" : "MITRE",
  "contact" : [{
    "name" : "MITRE",
    "telecom" : [{
      "system" : "url",
      "value" : "https://www.mitre.org/"
    }]
  }],
  "description" : "Codes for physiologic and digital biomarkers related to behavioral health and stress.",
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 8,
  "concept" : [{
    "code" : "cortisol-ugdl",
    "display" : "Cortisol (µg/dL)",
    "definition" : "Cortisol concentration used as a stress biomarker."
  },
  {
    "code" : "hrv-ms",
    "display" : "Heart rate variability (ms)",
    "definition" : "Root-mean-square or similar measure of HRV in milliseconds."
  },
  {
    "code" : "sleep-duration-h",
    "display" : "Sleep duration (hours)",
    "definition" : "Total nightly sleep duration in hours."
  },
  {
    "code" : "sleep-efficiency-pct",
    "display" : "Sleep efficiency (%)",
    "definition" : "Percentage of time in bed spent asleep."
  },
  {
    "code" : "awakenings-count",
    "display" : "Nocturnal awakenings (count)",
    "definition" : "Number of awakenings during sleep period."
  },
  {
    "code" : "speech-stress-index",
    "display" : "Speech stress index",
    "definition" : "Derived metric from speech prosody indicating stress level."
  },
  {
    "code" : "activity-level",
    "display" : "Activity level",
    "definition" : "Gross motor activity level from accelerometry."
  },
  {
    "code" : "reaction-time-ms",
    "display" : "Reaction time (ms)",
    "definition" : "Reaction time in milliseconds from vigilance or cognitive tests."
  }]
}