Specific code 2011 ICD-9-CM Diagnosis Code 231.8
Carcinoma in situ of other specified parts of respiratory system
  • Short description: Ca in situ resp sys NEC.
  • ICD-9-CM 231.8 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 231.8 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 231.8.
  • More recent version(s) of ICD-9-CM 231.8: 2012 2013 2014 2015.
Convert to ICD-10-CM: 231.8 converts approximately to:
  • 2015/16 ICD-10-CM D02.3 Carcinoma in situ of other parts of respiratory system
231.8 Excludes
Applies To
  • Accessory sinuses
  • Middle ear
  • Nasal cavities
  • Pleura
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 231.8 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.