Specific code 2014 ICD-9-CM Diagnosis Code 233.1
Carcinoma in situ of cervix uteri
  • Billable Code
  • Female Only Dx
  • Short description: Ca in situ cervix uteri.
  • ICD-9-CM 233.1 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 233.1 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Adenocarcinoma in situ of cervix
  • Adenocarcinoma in situ, uterine cervix
  • CA in situ of uterine cervix
  • Cancer in situ of uterine cervix
  • Cancer in situ uterine cervix squam intraepith gr3
  • Cancer in situ uterine cervix, adenocarcinoma
  • Carcinoma in situ of endocervix
  • Carcinoma in situ of exocervix
  • Carcinoma in situ of uterine cervix
  • Carcinoma in situ, endocervix
  • Carcinoma in situ, exocervix
  • Carcinoma in situ, high grade intraepithelial dysplasia, uterine cervix
  • Carcinoma in situ, uterine cervix
  • Cervical acis (adenocarcinoma in situ )
  • Cervical intraepithelial neoplasia grade III with severe dysplasia
  • Cervical intraepithelial neoplasia, severe
  • CIN 3, severe cervical dysplasia
  • Severe dysplasia of cervix, CIN 3
  • Severe dysplasia of cervix, cin III
  • Squamous cell carcinoma in situ of uterine cervix, grade 3
  • Squamous cell carcinoma in situ, uterine cervix grade 3
Clinical Information
  • Stage 0 includes: (tis, n0, m0). Tis: carcinoma in situ. N0: no regional lymph node metastasis. M0: no distant metastasis. (ajcc 6th ed.)
233.1 Excludes
  • cervical intraepithelial neoplasia II [CIN II] (622.12)
  • cytologic evidence of malignancy without histologic confirmation (795.06)
  • high grade squamous intraepithelial lesion (HGSIL) (795.04)
  • moderate dysplasia of cervix (622.12)
Applies To
  • Adenocarcinoma in situ of cervix
  • Cervical intraepithelial glandular neoplasia, grade III
  • Cervical intraepithelial neoplasia III [CIN III]
  • Severe dysplasia of cervix
ICD-9-CM Coding Information
  • 233.1 is only applicable to female patients.
Convert to ICD-10-CM: 233.1 converts approximately to:
  • 2014 ICD-10-CM D06.9 Carcinoma in situ of cervix, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 233.1:
  • Carcinoma (M8010/3) - see also Neoplasm, by site, malignant
    • in situ (M8010/2) - see also Neoplasm, by site, in situ
      • epidermoid (M8070/2) - see also Neoplasm, by site, in situ
        • with questionable stromal invasion (M8076/2)
          • specified site - see Neoplasm, by site, in situ
          • unspecified site 233.1
        • Bowen's type (M8081/2) - see Neoplasm, skin, in situ
      • intraductal (M8500/2)
        • specified site - see Neoplasm, by site, in situ
        • unspecified site 233.0
      • lobular (M8520/2)
        • specified site - see Neoplasm, by site, in situ
        • unspecified site 233.0
      • papillary (M8050/2) - see Neoplasm, by site, in situ
      • squamous cell (M8070/2) - see also Neoplasm, by site, in situ
        • with questionable stromal invasion (M8076/2)
          • specified site - see Neoplasm, by site, in situ
          • unspecified site 233.1
      • transitional cell (M8120/2) - see Neoplasm, by site, in situ
  • Cervical - see also condition
    • intraepithelial glandular neoplasia 233.1
  • CIN III (cervical intraepithelial neoplasia III) 233.1
  • Dysplasia - see also Anomaly
    • cervix (uteri) 622.10
      • cervical intraepithelial neoplasia I (CIN I) 622.11
      • cervical intraepithelial neoplasia II (CIN II) 622.12
      • cervical intraepithelial neoplasia III (CIN III) 233.1
      • CIN I 622.11
      • CIN II 622.12
      • CIN III 233.1
      • mild 622.11
      • moderate 622.12
      • severe 233.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 233.1 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.