Specific code 2015 ICD-9-CM Diagnosis Code 364.56
Degenerative changes of chamber angle
  • 2015
  • Billable Thru Sept 30/2015
  • Non-Billable On/After Oct 1/2015

  • ICD-9-CM 364.56 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 364.56 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
Convert to ICD-10-CM: 364.56 converts approximately to:
  • 2015/16 ICD-10-CM H21.219 Degeneration of chamber angle, unspecified eye
Approximate Synonyms
  • Anterior chamber angle degenerative changes
  • Bilat chamber angle degeneration
  • Bilateral chamber angle degeneration
  • Chamber angle degeneration, both eyes
  • Chamber angle degenerative changes
  • L chamber angle degeneration
  • Left chamber angle degeneration
  • R chamber angle degeneration
  • Right chamber angle degeneration
ICD-9-CM Volume 2 Index entries containing back-references to 364.56:
  • Change(s) (of) - see also Removal of
    • degenerative
      • chamber angle (anterior) (iris) 364.56
      • ciliary body 364.57
      • spine or vertebra (see also Spondylosis) 721.90
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 364.56 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.