Specific code 2014 ICD-9-CM Diagnosis Code 379.50
Nystagmus, unspecified
  • Billable Code
  • Short description: Nystagmus NOS.
  • ICD-9-CM 379.50 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 379.50 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Nystagmus
Clinical Information
  • Eye movement reflex stabilizing the retinal image of a visual stimulus to compensate for head or stimulus movement. Also, eye movement defects resulting from neurological, muscular, or genetic disorders.
  • Involuntary movements of the eyeballs. The presence or absence of nystagmus is often used in the diagnosis of a variety of neurological and visual disorders.
  • Involuntary, rapid, rhythmic movement of the eyeball.
Convert to ICD-10-CM: 379.50 converts directly to:
  • 2014 ICD-10-CM H55.00 Unspecified nystagmus
ICD-9-CM Volume 2 Index entries containing back-references to 379.50:
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 379.50 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.