C44.590
Billable codeOther specified malignant neoplasm of anal skin
The ICD-10 code for other specified malignant neoplasm of anal skin is C44.590.
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.
- Other specified malignant neoplasm of anal margin
- Other specified malignant neoplasm 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
- C44.591Other specified malignant neoplasm of skin of breast
- C44.599Other specified malignant neoplasm of skin of other part of trunk
- C44.590Other specified malignant neoplasm of anal skin
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 17359Approximate match
Associated MS-DRGs
C44.590 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 606Minor Skin Disorders with MCC
- DRG 607Minor Skin Disorders without MCC