D00.1 is the authoritative medical code for Carcinoma in situ of esophagus. This classification is used in medical billing and clinical recording to specify the clinical criteria for carcinoma in situ of esophagus (ICD-10-CM D00.1), 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 esophagus is a billable ICD-10-CM diagnosis code D00.1. Includes: Bowen's disease; erythroplasia; grade III intraepithelial neoplasia; Queyrat's erythroplasia. Excludes1 (not coded here): melanoma in situ D03.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for D00.1 in the official ICD-10-CM tabular list.
Includes
Conditions the official ICD-10-CM tabular list includes under this code.
- 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.
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with D00.1?
Per official ICD-10-CM Excludes1 instructions, D00.1 must not be reported together with: melanoma in situ (D03.-).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to D00.1 in its code family, with their registry titles.
- D00 — Carcinoma in situ of oral cavity, esophagus and stomach
- D00.0 — Carcinoma in situ of lip, oral cavity and pharynx
- D00.00 — Carcinoma in situ of oral cavity, unspecified site
- D00.01 — Carcinoma in situ of labial mucosa and vermilion border
- D00.02 — Carcinoma in situ of buccal mucosa
- D00.03 — Carcinoma in situ of gingiva and edentulous alveolar ridge
- D00.04 — Carcinoma in situ of soft palate
- D00.05 — Carcinoma in situ of hard palate
- D00.06 — Carcinoma in situ of floor of mouth
- D00.07 — Carcinoma in situ of tongue
View all 12 codes in the D00 family
Neoplasm Table Sites (9)
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.
- Neoplasm, neoplastic, esophagus — Ca in situ
- Neoplasm, neoplastic, esophagus, abdominal — Ca in situ
- Neoplasm, neoplastic, esophagus, cervical — Ca in situ
- Neoplasm, neoplastic, esophagus, distal (third) — Ca in situ
- Neoplasm, neoplastic, esophagus, lower (third) — Ca in situ
- Neoplasm, neoplastic, esophagus, middle (third) — Ca in situ
- Neoplasm, neoplastic, esophagus, proximal (third) — Ca in situ
- Neoplasm, neoplastic, esophagus, thoracic — Ca in situ
- Neoplasm, neoplastic, esophagus, upper (third) — Ca in situ