SNOMED CT Concept  138875005

Observable entity  363787002

Clinical history/examination observable  363788007

Respiratory observable  364048003

Respiration observable  364062005

Respiratory measure  251880004

Respiratory ratio   251942001

SNOMED CT code


SNOMED code251942001
nameRespiratory ratio
statusactive
date introduced2002-01-31
fully specified name(s)Respiratory ratio (observable entity)
synonymsRespiratory ratio
parentsRespiratory measure   251880004
children
  • Dead space/tidal volume ratio   251946003
  • Empey index   251945004
  • Expected FEV1/FVC ratio   310360002
  • Forced expired volume in one second/forced vital capacity ratio   251944000
  • Forced expired volume in one second/vital capacity ratio   251943006
  • Recorded/predicted peak expiratory flow rate ratio   134432000
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
            Respiratory ratio   251942001

ancestors
sorted most to least specific
cpt crosswalks

Rules-based maps relating CPT® codes to and from SNOMED CT® clinical concepts.  Forward and backward mapping allows for easy transition between code sets. Map-A-Code crosswalk tool easily crosswalks multiple codes between the code sets.

Access to this feature is available in the following products:
  • CPT® to SNOMED Crosswalks

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