Specific code 2011 ICD-9-CM Diagnosis Code 233.31
Carcinoma in situ of other and unspecified female genital organs; vagina
  • Short description: Carcinoma in situ vagina.
  • ICD-9-CM 233.31 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 233.31 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2011 version of ICD-9-CM 233.31.
  • More recent version(s) of ICD-9-CM 233.31: 2012 2013 2014.
Disease Synonyms
  • Cancer in situ of vagina
  • Carcinoma in situ of vagina
  • Carcinoma in situ, vagina
  • Severe dysplasia of vagina
  • VAIN 3, severe vaginal dysplasia
Applies To
  • Severe dysplasia of vagina
  • Vaginal intraepithelial neoplasia [VAIN III]
Convert to ICD-10-CM: 233.31 converts directly to:
  • 2014 ICD-10-CM D07.2 Carcinoma in situ of vagina
ICD-9-CM Volume 2 Index entries containing back-references to 233.31:
  • Dysplasia - see also Anomaly
  • Neoplasia
    • vaginal intraepithelial III (VAIN III) 233.31
  • VAIN III (vaginal intraepithelial neoplasia III) 233.31
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 233.31 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.