Specific code 2009 ICD-9-CM Diagnosis Code 385.9
Unspecified disorder of middle ear and mastoid
  • Short description: DIS MID EAR/MASTOID NOS.
  • ICD-9-CM 385.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 385.9 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 2009 version of ICD-9-CM 385.9.
  • More recent version(s) of ICD-9-CM 385.9: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 385.9 converts approximately to:
  • 2015/16 ICD-10-CM H74.90 Unspecified disorder of middle ear and mastoid, unspecified ear
Approximate Synonyms
  • Bilat middle ear disorder
  • Bilateral disorder of middle ear and mastoid
  • Both sides middle ear disorder
  • Disorder of both middle ear and mastoid
  • Disorder of middle ear
  • Left disorder of both middle ear and mastoid
  • Left middle ear disorder
  • Middle ear disorder
  • Middle ear mass visible on otoscopy
  • Middle ear not seen
  • On examination - fluid -middle ear
  • Right disorder of both middle ear and mastoid
  • Right middle ear disorder
ICD-9-CM Volume 2 Index entries containing back-references to 385.9:
  • Disease, diseased - see also Syndrome
    • ear (chronic) (inner) NEC 388.9
      • middle 385.9
        • adhesive (see also Adhesions, middle ear) 385.10
        • specified NEC 385.89
    • mastoid (see also Mastoiditis) 383.9
      • process 385.9
    • tympanum 385.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 385.9 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.