D06.9 Carcinoma in situ of cervix, unspecified
The ICD-10-CM code for Carcinoma in situ of cervix, unspecified is D06.9 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Chapter
- 2: Neoplasms (C00-D49)
- Section
- D00-D09: In situ neoplasms (D00-D09)
- Category D06
- 5 codes (4 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to D06.9:
- Adenocarcinoma › cervix, in situ
- Neoplasia › intraepithelial (histologically confirmed) › cervical glandular (histologically confirmed)
- Dysplasia › cervix (uteri) › severe
- Carcinoma (malignant) › cervix uteri › in situ
- Carcinoma-in-situ › squamous cell › with questionable stromal invasion › unspecified site
- Carcinoma-in-situ › epidermoid › with questionable stromal invasion › cervix
- Carcinoma-in-situ › squamous cell › with questionable stromal invasion › cervix
- Carcinoma-in-situ › epidermoid › with questionable stromal invasion › unspecified site
U.S. Hospital Utilization
- An estimated 1,765 U.S. inpatient stays in 2023 included D06.9 among the documented diagnoses.
- 480 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Tx of primary site (TOC entry)a. Admission/Encounter for treatment of primary site ............................................................. 33
Tx of secondary site (TOC entry)b. Admission/Encounter for treatment of secondary site .......................................................... 33
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026