Home > 2011 ICD-9-CM Diagnosis Codes > Diseases Of The Nervous System And Sense Organs 320-389 > Disorders Of The Eye And Adnexa 360-379 > Disorders of optic nerve and visual pathways 377-
Specific code 2011 ICD-9-CM Diagnosis Code 377.21
Drusen of optic disc
  • ICD-9-CM 377.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 377.21 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 377.21.
  • More recent version(s) of ICD-9-CM 377.21: 2012 2013 2014 2015.
Convert to ICD-10-CM: 377.21 converts approximately to:
  • 2015/16 ICD-10-CM H47.329 Drusen of optic disc, unspecified eye
Approximate Synonyms
  • Bilat optic disc drusen
  • Bilateral drusen of optic discs
  • L optic disc drusen
  • Left drusen of optic disc
  • Left optic disc drusen
  • Optic disc drusen
  • Optic disc drusen, both eyes
  • R optic disc drusen
  • Right drusen of optic disc
  • Right optic disc drusen
ICD-9-CM Volume 2 Index entries containing back-references to 377.21:
  • Body, bodies
    • drusen (retina) (see also Drusen) 362.57
      • optic disc 377.21
  • Drusen
    • optic disc or papilla 377.21
 377.2 ICD9Data.com 377.22 
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 377.21 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.
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