D04.0

Billable code

Carcinoma in situ of skin of lip

The ICD-10 code for carcinoma in situ of skin of lip is D04.0.

Clinical notes

Excludes2 (not included here)

An Excludes2 note means the excluded condition is not part of this one, but a patient can have both at the same time — in that case both codes may be reported together.

carcinoma in situ of vermilion border of lip (D00.01)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

•As a general rule, code to the highest level of specificity supported by the documentation in the medical record.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

2320Approximate match

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

D04.0 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.