D06.9 Carcinoma in situ of cervix, unspecified

Billable ICD-10-CM code, FY2026.

Applies from D06 Carcinoma in situ of cervix uteri

Includes

• cervical adenocarcinoma in situ
• cervical intraepithelial glandular neoplasia
• cervical intraepithelial neoplasia III [CIN III]
• severe dysplasia of cervix uteri

Excludes1 (never code together)

• cervical intraepithelial neoplasia II [CIN II] (N87.1)
• cytologic evidence of malignancy of cervix without histologic confirmation (R87.614)
• high grade squamous intraepithelial lesion (HGSIL) of cervix (R87.613)
• melanoma in situ of cervix (D03.5)
• moderate cervical dysplasia (N87.1)

MS-DRG index

Defines the logic of DRG(s) 736-741 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 233.1 Carcinoma in situ of cervix uteri (approximate)

Code annotations containing back-references to D06.9

Back-references to D06

• Type 1 Excludes: C53 Malignant neoplasm of cervix uteri ("carcinoma in situ of cervix uteri (D06.-)")
• Type 1 Excludes: N87 Dysplasia of cervix uteri ("carcinoma in situ of cervix uteri (D06.-)")
• Type 1 Excludes: N87 Dysplasia of cervix uteri ("cervical intraepithelial neoplasia III [CIN III] (D06.-)")
• Type 1 Excludes: N87 Dysplasia of cervix uteri ("severe dysplasia of cervix uteri (D06.-)")
• Type 1 Excludes: R87.61 Abnormal cytological findings in specimens from cervix uteri ("carcinoma in situ of cervix uteri (histologically confirmed) (D06.-)")
• Type 1 Excludes: R87.61 Abnormal cytological findings in specimens from cervix uteri ("cervical intraepithelial neoplasia III [CIN III] (D06.-)")
• Type 1 Excludes: R87.61 Abnormal cytological findings in specimens from cervix uteri ("severe dysplasia of cervix uteri (histologically confirmed) (D06.-)")
• Type 1 Excludes: R87.7 Abnormal histological findings in specimens from female genital organs ("carcinoma in situ (histologically confirmed) of female genital organs (D06-D07.3)")
• Type 1 Excludes: R87.7 Abnormal histological findings in specimens from female genital organs ("cervical intraepithelial neoplasia III [CIN III] (D06.-)")
• Type 1 Excludes: R87.7 Abnormal histological findings in specimens from female genital organs ("severe dysplasia of cervix uteri (histologically confirmed) (D06.-)")

Diagnosis Index entries for D06.9

• Adenocarcinoma › cervix, in situ
• Carcinoma (malignant) › cervix uteri › in situ
• Carcinoma-in-situ › epidermoid › with questionable stromal invasion › cervix
• Carcinoma-in-situ › epidermoid › with questionable stromal invasion › unspecified site
• Carcinoma-in-situ › squamous cell › with questionable stromal invasion › cervix
• Carcinoma-in-situ › squamous cell › with questionable stromal invasion › unspecified site
• Dysplasia › cervix (uteri) › severe
• Neoplasia › intraepithelial (histologically confirmed) › cervical glandular (histologically confirmed)
• Neoplasia › intraepithelial (histologically confirmed) › cervix (uteri) (CIN) (histologically confirmed) › glandular
• Neoplasia › intraepithelial (histologically confirmed) › cervix (uteri) (CIN) (histologically confirmed) › grade III (severe dysplasia)

Nearby codes

• D06 Carcinoma in situ of cervix uteri
• D06.0 Carcinoma in situ of endocervix
• D06.1 Carcinoma in situ of exocervix
• D06.7 Carcinoma in situ of other parts of cervix
• D06.9 Carcinoma in situ of cervix, unspecified (this code)