Specific code 2011 ICD-9-CM Diagnosis Code 794.09
Other nonspecific abnormal results of function study of brain and central nervous system
  • Short description: Abn cns funct study NEC.
  • ICD-9-CM 794.09 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 794.09 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 794.09.
  • More recent version(s) of ICD-9-CM 794.09: 2012 2013 2014.
Disease Synonyms
  • Abnl finding on MRI of brain
  • Abnormal brain stem auditory evoked potential
  • Abnormal cerebral evoked potential
  • Abnormal finding on mri of brain
  • 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
Applies To
  • Abnormal brain scan
Convert to ICD-10-CM: 794.09 converts approximately to:
  • 2014 ICD-10-CM R94.02 Abnormal brain scan
    Or:
  • 2014 ICD-10-CM R94.09 Abnormal results of other function studies of central nervous system
ICD-9-CM Volume 2 Index entries containing back-references to 794.09:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 794.09 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.