D00.0 vs D03.0
D00.0 (Carcinoma in situ of lip, oral cavity and pharynx) compared with D03.0 (Melanoma in situ of lip), from the official CMS tabular data. Do not report these codes together: the official tabular list marks them Excludes1.
Can these codes be reported together?
No — do not report together. D00.0 carries an Excludes1 note covering D03.0: “carcinoma in situ of skin of lip (D03.0, D04.0)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
No — do not report together. D00.0 carries an Excludes1 note covering D03.0: “melanoma in situ (D03.-)”
Sole exception: when the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
Side by side
| D00.0Carcinoma in situ of lip, oral cavity and pharynx | D03.0Melanoma in situ of lip | |
|---|---|---|
| Billing status | Non-billable header | Billable |
| Classification | C00-D49 — Neoplasms (C00-D49) | C00-D49 — Neoplasms (C00-D49) |
| Definition | Carcinoma in situ of lip, oral cavity and pharynx is a non-billable ICD-10-CM category code (D00.0). | Melanoma in situ of lip is a billable ICD-10-CM diagnosis code (D03.0). |
| Includes | Bowen's disease erythroplasia grade III intraepithelial neoplasia Queyrat's erythroplasia | Bowen's disease erythroplasia grade III intraepithelial neoplasia Queyrat's erythroplasia |
| Use additional code | code to identify: exposure to environmental tobacco smoke (Z77.22) exposure to tobacco smoke in the perinatal period (P96.81) | — |
Derived from the official CMS ICD-10-CM tabular data (FY2026). Not billing advice; verify sequencing rules for the encounter. All data sources