D03.51
Billable codeMelanoma in situ of anal skin
The ICD-10 code for melanoma in situ of anal skin is D03.51.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- Melanoma in situ of anal margin
- Melanoma in situ of perianal skin
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
- D03.52Melanoma in situ of breast (skin) (soft tissue)
- D03.59Melanoma in situ of other part of trunk
- D03.51Melanoma in situ of anal skin
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 1725Approximate match
Associated MS-DRGs
D03.51 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.
- DRG 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCC
- DRG 565Other Musculoskeletal System and Connective Tissue Diagnoses with CC
- DRG 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCC
- DRG 595Major Skin Disorders with MCC
- DRG 596Major Skin Disorders without MCC