ICD-10 C44.500
Billable / SpecificUnspecified malignant neoplasm of anal skin
About ICD-10-CM C44.500
ICD-10-CM code C44.500 represents Unspecified malignant neoplasm of anal skin. This is a billable/specific code in the Neoplasms chapter (block C44). The 2026 edition of ICD-10-CM C44.500 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under C44.500. Per CMS ICD-10-CM Tabular 2026.
- Unspecified malignant neoplasm of anal margin
- Unspecified malignant neoplasm of perianal skin
Medicare LCD Coverage for C44.500
Local Coverage Determinations (LCDs) from CMS MACs that list C44.500 as a covered diagnosis.
Showing top 10 of 618 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing C44.500.
5 Medicare
CPT Codes Commonly Billed with C44.500
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 54056 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 54050 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 54057 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 54065 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 54060 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 46916 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 54055 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 56515 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 46900 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
- 56501 CMS LCD: Billing and Coding: Removal of Benign Skin Lesions CMS LCD
Convert C44.500 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| C44.500 | 17350 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To C44.500
Other codes in section C43-C44 (Melanoma and other malignant neoplasms of skin).
ICD-10 C44.500, Billing FAQ
Is ICD-10 code C44.500 billable? +
Yes, C44.500 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to C44.500? +
ICD-10 C44.500 includes: Unspecified malignant neoplasm of anal margin; Unspecified malignant neoplasm of perianal skin.
What CPT codes are commonly billed with C44.500? +
Procedures frequently paired with C44.500 include: 54056, 54050, 54057, 54065, 54060.
What ICD-9 codes does C44.500 map to? +
Per CMS GEMs, C44.500 maps to ICD-9 codes: 17350. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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