Specific code 2010 ICD-9-CM Diagnosis Code 231.0
Carcinoma in situ of larynx
  • Short description: Ca in situ larynx.
  • ICD-9-CM 231.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 231.0 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 2010 version of ICD-9-CM 231.0.
  • More recent version(s) of ICD-9-CM 231.0: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 231.0 converts directly to:
  • 2015/16 ICD-10-CM D02.0 Carcinoma in situ of larynx
Approximate Synonyms
  • Cancer in situ of larynx
  • Carcinoma in situ, larynx
231.0 Excludes
  • aryepiglottic fold or interarytenoid fold:
Applies To
  • Cartilage:
    • arytenoid
    • cricoid
    • cuneiform
    • thyroid
  • Epiglottis:
    • NOS
    • posterior surface
    • suprahyoid portion
  • Vocal cords (false) (true)
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 231.0 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.