C43.51
Billable codeMalignant melanoma of anal skin
The ICD-10 code for malignant melanoma of anal skin is C43.51.
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.
- Malignant melanoma of anal margin
- Malignant melanoma 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
- C43.52Malignant melanoma of skin of breast
- C43.59Malignant melanoma of other part of trunk
- C43.51Malignant melanoma 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
C43.51 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