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794.09 ABN CNS FUNCT STUDY NEC


Code Information

Diagnosis Code: 794.09

Short Description: Abn cns funct study NEC

Long Description: Other nonspecific abnormal results of function study of brain and central nervous system

Code Classification:

  • Symptoms, signs, and ill-defined conditions (780–799)
    • Nonspecific abnormal findings (790-796)
      • 794 Nonspecific abnormal results of function studies
        • 794.09 Abn cns funct study NEC

Code Version: 2015 ICD-9-CM


Synonyms

  • Abnormal brain stem auditory evoked potential
  • Abnormal cerebral evoked potential
  • Abnormal results function studies of central nervous system
  • Abnormal waves II through V of brainstem auditory evoked potential
  • Computed tomography of brain abnormal
  • Head scan abnormal
  • Increased latency of brainstem auditory evoked potential wave I
  • Increased time interval between wave III-wave V of brainstem auditory evoked potential
  • Increased time interval between wave I-wave III of brainstem auditory evoked potential
  • Magnetic resonance imaging of brain abnormal
  • Only wave I of brainstem auditory evoked potential seen
  • Phase-related abnormality of brainstem auditory evoked potential

References to Index of Diseases and Injuries

The code 794.09 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abnormal, abnormality, abnormalities - see also Anomaly
    • scan
      • brain 794.09
  • Adrenomyeloneuropathy 277.86
  • Findings, (abnormal), without diagnosis (examination) (laboratory test) 796.4
    • scan NEC 794.9
      • brain 794.09

Crosswalk Information

The code 794.09 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
794.09 Right Arrow R94.02 Abnormal brain scan
R94.09 Abnormal results of function studies of cnsl
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
794.00 Abnormal function study of brain and central nervous system, unspecified
794.01 Nonspecific abnormal echoencephalogram
794.02 Nonspecific abnormal electroencephalogram [EEG]
794.10 Nonspecific abnormal response to nerve stimulation, unspecified
794.11 Nonspecific abnormal retinal function studies
794.12 Nonspecific abnormal electro-oculogram [EOG]
794.13 Nonspecific abnormal visually evoked potential
794.14 Nonspecific abnormal oculomotor studies
794.15 Nonspecific abnormal auditory function studies
794.16 Nonspecific abnormal vestibular function studies
794.17 Nonspecific abnormal electromyogram [EMG]
794.19 Other nonspecific abnormal results of function study of peripheral nervous system and special senses
794.2 Nonspecific abnormal results of pulmonary function study
794.30 Abnormal cardiovascular function study, unspecified
794.31 Nonspecific abnormal electrocardiogram [ECG] [EKG]
794.39 Other nonspecific abnormal results of function study of cardiovascular system
794.4 Nonspecific abnormal results of function study of kidney
794.5 Nonspecific abnormal results of function study of thyroid
794.6 Nonspecific abnormal results of other endocrine function study
794.7 Nonspecific abnormal results of function study of basal metabolism
794.8 Nonspecific abnormal results of function study of liver
794.9 Nonspecific abnormal results of other specified function study

This page was last updated on: 10/1/2014

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