2006 ICD-9-CM Volume 1 Diagnosis Codes Home > Neoplasms 140-239 > Carcinoma In Situ 230-234 > Carcinoma In Situ Of Respiratory System 231.* > 2006 ICD-9-CM Diagnosis 231.0 Carcinoma in situ of larynx View the most recent version of ICD-9-CM 231.0 Stage 0 includes: Tis, N0, M0. Tis: Carcinoma in situ. N0: No regional lymph node metastasis. M0: No distant metastasis. (AJCC 6th ed.)-2003 231.0 is a specific code that can be used to specify a diagnosis View the ICD-9-CM Volume 1 231.* hierarchy Alternate Terminology Cartilage: arytenoid cricoid cuneiform thyroid Epiglottis: NOS posterior surface suprahyoid portion Vocal cords (false) (true) 231.0 Excludes aryepiglottic fold or interarytenoid fold: NOS (230.0) hypopharyngeal aspect (230.0) marginal zone (230.0)