C44.99
Billable codeOther specified malignant neoplasm of skin, unspecified
The ICD-10 code for other specified malignant neoplasm of skin, unspecified is C44.99.
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
- C44.90Unspecified malignant neoplasm of skin, unspecified
- C44.91Basal cell carcinoma of skin, unspecified
- C44.92Squamous cell carcinoma of skin, unspecified
- C44.99Other specified malignant neoplasm of skin, unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 17399
Associated MS-DRGs
C44.99 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