0.5.12 - ci-build

SpaceflightHealthSimulationsReferenceDocumentation - Local Development build (v0.5.12) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

CodeSystem: Behavioral Biomarker Code System

Official URL: http://hl7.org/fhir/uv/aerospace/CodeSystem/behavioral-biomarker-cs Version: 0.5.12
Active as of 2026-03-25 Computable Name: BehavioralBiomarkerCS

Codes for physiologic and digital biomarkers related to behavioral health and stress.

This Code system is referenced in the content logical definition of the following value sets:

This case-sensitive code system http://hl7.org/fhir/uv/aerospace/CodeSystem/behavioral-biomarker-cs defines the following codes:

CodeDisplayDefinition
cortisol-ugdl Cortisol (µg/dL) Cortisol concentration used as a stress biomarker.
hrv-ms Heart rate variability (ms) Root-mean-square or similar measure of HRV in milliseconds.
sleep-duration-h Sleep duration (hours) Total nightly sleep duration in hours.
sleep-efficiency-pct Sleep efficiency (%) Percentage of time in bed spent asleep.
awakenings-count Nocturnal awakenings (count) Number of awakenings during sleep period.
speech-stress-index Speech stress index Derived metric from speech prosody indicating stress level.
activity-level Activity level Gross motor activity level from accelerometry.
reaction-time-ms Reaction time (ms) Reaction time in milliseconds from vigilance or cognitive tests.