
2012 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 2012 version of ICD-9-CM 231.0.
- More recent version(s) of ICD-9-CM 231.0: 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)