{
  "resourceType" : "CodeSystem",
  "id" : "space-environmental-factors-cs",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem space-environmental-factors-cs</b></p><a name=\"space-environmental-factors-cs\"> </a><a name=\"hcspace-environmental-factors-cs\"> </a><p>This case-sensitive code system <code>https://mitre.org/fhir/space-health/CodeSystem/space-environmental-factors-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\">microgravity<a name=\"space-environmental-factors-cs-microgravity\"> </a></td><td>Microgravity</td><td>A state of very weak gravity experienced in spacecraft in orbit, where the apparent weight is significantly less than on Earth but not completely zero</td></tr><tr><td style=\"white-space:nowrap\">zero-gravity<a name=\"space-environmental-factors-cs-zero-gravity\"> </a></td><td>Zero Gravity</td><td>The condition of apparent weightlessness experienced in freefall or in space</td></tr><tr><td style=\"white-space:nowrap\">air-quality-space<a name=\"space-environmental-factors-cs-air-quality-space\"> </a></td><td>Space Habitat Air Quality</td><td>The condition of air within confined spacecraft or space habitats, including levels of pollutants, CO2, and other gases</td></tr><tr><td style=\"white-space:nowrap\">space-radiation<a name=\"space-environmental-factors-cs-space-radiation\"> </a></td><td>Space Radiation</td><td>Radiation experienced in the space environment, including galactic cosmic rays, solar particle events, and trapped radiation</td></tr><tr><td style=\"white-space:nowrap\">vacuum-environment<a name=\"space-environmental-factors-cs-vacuum-environment\"> </a></td><td>Vacuum Environment</td><td>The near-vacuum conditions of space that pose risks to human health and spacecraft systems</td></tr><tr><td style=\"white-space:nowrap\">cabin-pressure<a name=\"space-environmental-factors-cs-cabin-pressure\"> </a></td><td>Cabin Pressure</td><td>The atmospheric pressure maintained within spacecraft habitats</td></tr><tr><td style=\"white-space:nowrap\">temperature-extremes<a name=\"space-environmental-factors-cs-temperature-extremes\"> </a></td><td>Temperature Extremes</td><td>The extreme hot and cold temperatures experienced in space depending on exposure to sunlight or shadow</td></tr><tr><td style=\"white-space:nowrap\">lunar-dust<a name=\"space-environmental-factors-cs-lunar-dust\"> </a></td><td>Lunar Dust</td><td>Fine particles of lunar regolith that can cause respiratory and equipment problems during lunar missions</td></tr><tr><td style=\"white-space:nowrap\">martian-dust<a name=\"space-environmental-factors-cs-martian-dust\"> </a></td><td>Martian Dust</td><td>Fine particles of Martian regolith that can cause respiratory and equipment problems during Mars missions</td></tr><tr><td style=\"white-space:nowrap\">space-debris<a name=\"space-environmental-factors-cs-space-debris\"> </a></td><td>Space Debris</td><td>Artificial orbital debris that presents a collision hazard to spacecraft and astronauts during EVA</td></tr><tr><td style=\"white-space:nowrap\">confined-living-space<a name=\"space-environmental-factors-cs-confined-living-space\"> </a></td><td>Confined Living Space</td><td>The restricted living and working areas within spacecraft that can impact physical and psychological health</td></tr><tr><td style=\"white-space:nowrap\">galactic-cosmic-radiation<a name=\"space-environmental-factors-cs-galactic-cosmic-radiation\"> </a></td><td>Galactic Cosmic Radiation</td><td>High-energy particles originating outside the solar system that can penetrate spacecraft and human tissue</td></tr><tr><td style=\"white-space:nowrap\">solar-particle-events<a name=\"space-environmental-factors-cs-solar-particle-events\"> </a></td><td>Solar Particle Events</td><td>Radiation from solar flares and coronal mass ejections that can pose acute radiation hazards</td></tr></table></div>"
  },
  "url" : "https://mitre.org/fhir/space-health/CodeSystem/space-environmental-factors-cs",
  "version" : "0.5.12",
  "name" : "SpaceEnvironmentalFactorsCodeSystem",
  "title" : "Space Environmental Factors",
  "status" : "draft",
  "experimental" : true,
  "date" : "2026-03-25T00:24:16-05:00",
  "publisher" : "MITRE",
  "contact" : [{
    "name" : "MITRE",
    "telecom" : [{
      "system" : "url",
      "value" : "https://www.mitre.org/"
    }]
  }],
  "description" : "CodeSystem for space environmental factors not found in SNOMED CT",
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 13,
  "concept" : [{
    "code" : "microgravity",
    "display" : "Microgravity",
    "definition" : "A state of very weak gravity experienced in spacecraft in orbit, where the apparent weight is significantly less than on Earth but not completely zero"
  },
  {
    "code" : "zero-gravity",
    "display" : "Zero Gravity",
    "definition" : "The condition of apparent weightlessness experienced in freefall or in space"
  },
  {
    "code" : "air-quality-space",
    "display" : "Space Habitat Air Quality",
    "definition" : "The condition of air within confined spacecraft or space habitats, including levels of pollutants, CO2, and other gases"
  },
  {
    "code" : "space-radiation",
    "display" : "Space Radiation",
    "definition" : "Radiation experienced in the space environment, including galactic cosmic rays, solar particle events, and trapped radiation"
  },
  {
    "code" : "vacuum-environment",
    "display" : "Vacuum Environment",
    "definition" : "The near-vacuum conditions of space that pose risks to human health and spacecraft systems"
  },
  {
    "code" : "cabin-pressure",
    "display" : "Cabin Pressure",
    "definition" : "The atmospheric pressure maintained within spacecraft habitats"
  },
  {
    "code" : "temperature-extremes",
    "display" : "Temperature Extremes",
    "definition" : "The extreme hot and cold temperatures experienced in space depending on exposure to sunlight or shadow"
  },
  {
    "code" : "lunar-dust",
    "display" : "Lunar Dust",
    "definition" : "Fine particles of lunar regolith that can cause respiratory and equipment problems during lunar missions"
  },
  {
    "code" : "martian-dust",
    "display" : "Martian Dust",
    "definition" : "Fine particles of Martian regolith that can cause respiratory and equipment problems during Mars missions"
  },
  {
    "code" : "space-debris",
    "display" : "Space Debris",
    "definition" : "Artificial orbital debris that presents a collision hazard to spacecraft and astronauts during EVA"
  },
  {
    "code" : "confined-living-space",
    "display" : "Confined Living Space",
    "definition" : "The restricted living and working areas within spacecraft that can impact physical and psychological health"
  },
  {
    "code" : "galactic-cosmic-radiation",
    "display" : "Galactic Cosmic Radiation",
    "definition" : "High-energy particles originating outside the solar system that can penetrate spacecraft and human tissue"
  },
  {
    "code" : "solar-particle-events",
    "display" : "Solar Particle Events",
    "definition" : "Radiation from solar flares and coronal mass ejections that can pose acute radiation hazards"
  }]
}