Specific code 2011 ICD-9-CM Diagnosis Code 370.50
Interstitial keratitis unspecified
  • Short description: Interstit keratitis NOS.
  • ICD-9-CM 370.50 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 370.50 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).
  • You are viewing the 2011 version of ICD-9-CM 370.50.
  • More recent version(s) of ICD-9-CM 370.50: 2012 2013 2014 2015.
Convert to ICD-10-CM: 370.50 converts approximately to:
  • 2015/16 ICD-10-CM H16.309 Unspecified interstitial keratitis, unspecified eye
Approximate Synonyms
  • Bilat interstitial keratitis
  • Bilateral interstitial keratitis
  • Interstitial keratitis
  • Interstitial keratitis, both eyes
  • L interstitial keratitis
  • Left interstitial keratitis
  • R interstitial keratitis
  • Right interstitial keratitis
ICD-9-CM Volume 2 Index entries containing back-references to 370.50:
  • Keratitis (nodular) (nonulcerative) (simple) (zonular) NEC 370.9
    • interstitial (nonsyphilitic) 370.50
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 370.50 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 2011 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.