R94

Non-Billable

Abnormal results of function studies

R94 should not be used for reimbursement purposes as there are multiple sub-diagnoses that fall under this code. Please refer to the sub-diagnoses below.

Related Diagnoses

  • R94.0Abnormal results of function studies of central nervous system
    • R94.01Abnormal electroencephalogram [EEG]
    • R94.02Abnormal brain scan
    • R94.09Abnormal results of other function studies of central nervous system
  • R94.1Abnormal results of function studies of peripheral nervous system and special senses
    • R94.11Abnormal results of function studies of eye
      • R94.110Abnormal electro-oculogram [EOG]
      • R94.111Abnormal electroretinogram [ERG]
      • R94.112Abnormal visually evoked potential [VEP]
      • R94.113Abnormal oculomotor study
      • R94.118Abnormal results of other function studies of eye
    • R94.12Abnormal results of function studies of ear and other special senses
      • R94.120Abnormal auditory function study
      • R94.121Abnormal vestibular function study
      • R94.128Abnormal results of other function studies of ear and other special senses
    • R94.13Abnormal results of function studies of peripheral nervous system
      • R94.130Abnormal response to nerve stimulation, unspecified
      • R94.131Abnormal electromyogram [EMG]
      • R94.138Abnormal results of other function studies of peripheral nervous system
  • R94.2Abnormal results of pulmonary function studies
  • R94.3Abnormal results of cardiovascular function studies
    • R94.30Abnormal result of cardiovascular function study, unspecified
    • R94.31Abnormal electrocardiogram [ECG] [EKG]
    • R94.39Abnormal result of other cardiovascular function study
  • R94.4Abnormal results of kidney function studies
  • R94.5Abnormal results of liver function studies
  • R94.6Abnormal results of thyroid function studies
  • R94.7Abnormal results of other endocrine function studies
  • R94.8Abnormal results of function studies of other organs and systems
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