SNOMED CT Concept  138875005

Clinical finding  404684003

Finding related to sleep  106168000

Sleep disorder  39898005

Dyssomnia  44186003

Disorder of sleep-wake cycle  271794005

Non-24 hour sleep-wake cycle   230496009

SNOMED CT code


SNOMED code230496009
nameNon-24 hour sleep-wake cycle
statusactive
date introduced2002-01-31
fully specified name(s)Non-24 hour sleep-wake cycle (disorder)
synonyms
  • Free-running sleep-wake cycle disorder
  • Circadian rhythm sleep disorder, free running
  • Circadian rhythm sleep disorder, free-running type
  • Non-24 hour sleep-wake cycle
parentsDisorder of sleep-wake cycle   271794005
hierarchies
a selection of possible paths
SNOMED CT Concept   138875005
  Clinical finding   404684003
    Finding related to sleep   106168000
      Sleep disorder   39898005
        Dyssomnia   44186003
          Disorder of sleep-wake cycle   271794005
            Non-24 hour sleep-wake cycle   230496009

ancestors
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