SNOMED CT Concept  138875005

Observable entity  363787002

Clinical history/examination observable  363788007

Respiratory observable  364048003

Respiration observable  364062005

Respiratory measure  251880004

Alveolar-arterial oxygen tension difference   251890007

SNOMED CT code


SNOMED code251890007
nameAlveolar-arterial oxygen tension difference
statusactive
date introduced2002-01-31
fully specified name(s)Alveolar-arterial oxygen tension difference (observable entity)
synonyms
  • A-a gradient
  • A-aDO2 - Alveolar-arterial oxygen tension difference
  • Alveolar-arterial oxygen tension difference
parentsRespiratory measure   251880004
hierarchies
a selection of possible paths
SNOMED CT Concept   138875005
  Observable entity   363787002
    Clinical history/examination observable   363788007
      Respiratory observable   364048003
        Respiration observable   364062005
          Respiratory measure   251880004
            Alveolar-arterial oxygen tension difference   251890007

ancestors
sorted most to least specific
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