D06.1 is the authoritative medical code for Carcinoma in situ of exocervix. This classification is used in medical billing and clinical recording to specify the clinical criteria for carcinoma in situ of exocervix (ICD-10-CM D06.1), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Carcinoma in situ of exocervix is a billable ICD-10-CM diagnosis code D06.1. Includes: cervical adenocarcinoma in situ; cervical intraepithelial glandular neoplasia; cervical intraepithelial neoplasia III CIN III; severe dysplasia of cervix uteri; Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): cervical intraepithelial neoplasia II CIN II; 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D06.1 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- cervical adenocarcinoma in situ
- cervical intraepithelial glandular neoplasia
- cervical intraepithelial neoplasia III CIN III
- severe dysplasia of cervix uteri
- Bowen's disease
- erythroplasia
- grade III intraepithelial neoplasia
- Queyrat's erythroplasia
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- cervical intraepithelial neoplasia II CIN II
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with D06.1?
Per Excludes1 instructions, D06.1 must not be reported with: 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).
Codes in This Family (4)
Official ICD-10-CM classifications in the same code family as D06.1, with their registry titles.
- D06 — Carcinoma in situ of cervix uteri
- D06.0 — Carcinoma in situ of endocervix
- D06.7 — Carcinoma in situ of other parts of cervix
- D06.9 — Carcinoma in situ of cervix, unspecified
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Carcinoma (malignant), cervix uteri, in situ, exocervix
Neoplasm Table Sites (7)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, cervix (cervical) (uteri) (uterus), exocervix — Ca in situ
- Neoplasm, neoplastic, cervix (cervical) (uteri) (uterus), external os — Ca in situ
- Neoplasm, neoplastic, exocervix — Ca in situ
- Neoplasm, neoplastic, external, os, cervix uteri — Ca in situ
- Neoplasm, neoplastic, os, external — Ca in situ
- Neoplasm, neoplastic, uterus, uteri, uterine, exocervix — Ca in situ
- Neoplasm, neoplastic, uterus, uteri, uterine, external os — Ca in situ
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code D09.1
Carcinoma in situ of other and unspecified urinary organs