SNOMED CT Concept  138875005

Clinical finding  404684003

Neurological finding  102957003

Neurological diagnostic procedure - abnormal  164718005

Electroencephalogram abnormal   274521009

SNOMED CT code


SNOMED code274521009
nameElectroencephalogram abnormal
statusactive
date introduced2002-01-31
fully specified name(s)Electroencephalogram abnormal (finding)
synonyms
  • EEG abnormal
  • Electroencephalogram abnormal
attributes - group1
Has interpretationAbnormal   263654008
InterpretsElectroencephalogram   54550000
parents
  • Neurological diagnostic procedure - abnormal   164718005
  • EEG finding   292003
children
  • Focal continuous EEG abnormality   251485004
  • Focal episodic EEG abnormality   251495006
  • Generalized continuous EEG abnormality   251458006
  • Generalized episodic EEG abnormality   251473007
  • Reduction of alpha activity in left cerebral hemisphere   1119388009
  • Reduction of alpha activity in right cerebral hemisphere   1119389001
hierarchies
a selection of possible paths
SNOMED CT Concept   138875005
  Clinical finding   404684003
    Neurological finding   102957003
      Neurological diagnostic procedure - abnormal   164718005
        Electroencephalogram abnormal   274521009

SNOMED CT Concept   138875005
  Clinical finding   404684003
    Procedure related finding   127325009
      Evaluation finding   441742003
        Neuroelectrophysiology finding   251440000
          EEG finding   292003
            Electroencephalogram abnormal   274521009

ancestors
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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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