<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="space-neurological-effects-cs"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem space-neurological-effects-cs</b></p><a name="space-neurological-effects-cs"> </a><a name="hcspace-neurological-effects-cs"> </a><p>This case-sensitive code system <code>https://mitre.org/fhir/space-health/CodeSystem/space-neurological-effects-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">neurovestibular-disturbance<a name="space-neurological-effects-cs-neurovestibular-disturbance"> </a></td><td>Neurovestibular Disturbance</td><td>Disruption of the body's sense of balance and spatial orientation due to microgravity</td></tr><tr><td style="white-space:nowrap">vestibular-adaptation<a name="space-neurological-effects-cs-vestibular-adaptation"> </a></td><td>Vestibular Adaptation</td><td>Adaptation of the vestibular system to microgravity conditions</td></tr><tr><td style="white-space:nowrap">spatial-disorientation<a name="space-neurological-effects-cs-spatial-disorientation"> </a></td><td>Spatial Disorientation</td><td>Confusion about position and motion in the three-dimensional space environment</td></tr><tr><td style="white-space:nowrap">otolith-asymmetry<a name="space-neurological-effects-cs-otolith-asymmetry"> </a></td><td>Otolith Asymmetry</td><td>Imbalance between the right and left otolith organs during adaptation to microgravity</td></tr><tr><td style="white-space:nowrap">proprioceptive-alteration<a name="space-neurological-effects-cs-proprioceptive-alteration"> </a></td><td>Proprioceptive Alteration</td><td>Changes in the sense of body position and movement in microgravity</td></tr><tr><td style="white-space:nowrap">gravitational-transition-disorder<a name="space-neurological-effects-cs-gravitational-transition-disorder"> </a></td><td>Gravitational Transition Disorder</td><td>Neurological symptoms occurring during transition between different gravitational environments</td></tr><tr><td style="white-space:nowrap">sensorimotor-adaptation<a name="space-neurological-effects-cs-sensorimotor-adaptation"> </a></td><td>Sensorimotor Adaptation</td><td>The process of adapting sensory perception and motor control to microgravity</td></tr><tr><td style="white-space:nowrap">brain-structural-changes<a name="space-neurological-effects-cs-brain-structural-changes"> </a></td><td>Spaceflight-Induced Brain Structural Changes</td><td>Alterations in brain structure observed in astronauts after spaceflight</td></tr><tr><td style="white-space:nowrap">space-headache<a name="space-neurological-effects-cs-space-headache"> </a></td><td>Space Headache</td><td>Headaches experienced during spaceflight, often as part of space adaptation syndrome</td></tr></table></div>
  </text>
  <url value="https://mitre.org/fhir/space-health/CodeSystem/space-neurological-effects-cs"/>
  <version value="0.5.12"/>
  <name value="SpaceNeurologicalEffectsCodeSystem"/>
  <title value="Space Neurological Effects"/>
  <status value="draft"/>
  <experimental value="true"/>
  <date value="2026-03-25T00:24:16-05:00"/>
  <publisher value="MITRE"/>
  <contact>
    <name value="MITRE"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.mitre.org/"/>
    </telecom>
  </contact>
  <description value="CodeSystem for space neurological effects not found in SNOMED CT"/>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <count value="9"/>
  <concept>
    <code value="neurovestibular-disturbance"/>
    <display value="Neurovestibular Disturbance"/>
    <definition value="Disruption of the body's sense of balance and spatial orientation due to microgravity"/>
  </concept>
  <concept>
    <code value="vestibular-adaptation"/>
    <display value="Vestibular Adaptation"/>
    <definition value="Adaptation of the vestibular system to microgravity conditions"/>
  </concept>
  <concept>
    <code value="spatial-disorientation"/>
    <display value="Spatial Disorientation"/>
    <definition value="Confusion about position and motion in the three-dimensional space environment"/>
  </concept>
  <concept>
    <code value="otolith-asymmetry"/>
    <display value="Otolith Asymmetry"/>
    <definition value="Imbalance between the right and left otolith organs during adaptation to microgravity"/>
  </concept>
  <concept>
    <code value="proprioceptive-alteration"/>
    <display value="Proprioceptive Alteration"/>
    <definition value="Changes in the sense of body position and movement in microgravity"/>
  </concept>
  <concept>
    <code value="gravitational-transition-disorder"/>
    <display value="Gravitational Transition Disorder"/>
    <definition value="Neurological symptoms occurring during transition between different gravitational environments"/>
  </concept>
  <concept>
    <code value="sensorimotor-adaptation"/>
    <display value="Sensorimotor Adaptation"/>
    <definition value="The process of adapting sensory perception and motor control to microgravity"/>
  </concept>
  <concept>
    <code value="brain-structural-changes"/>
    <display value="Spaceflight-Induced Brain Structural Changes"/>
    <definition value="Alterations in brain structure observed in astronauts after spaceflight"/>
  </concept>
  <concept>
    <code value="space-headache"/>
    <display value="Space Headache"/>
    <definition value="Headaches experienced during spaceflight, often as part of space adaptation syndrome"/>
  </concept>
</CodeSystem>