C44.81 Basal cell carcinoma of overlapping sites of skin

Billable ICD-10-CM code, FY2026.

Applies from C44 Other and unspecified malignant neoplasm of skin

Includes

• malignant neoplasm of sebaceous glands
• malignant neoplasm of sweat glands

Excludes1 (never code together)

• Kaposi's sarcoma of skin (C46.0)
• malignant melanoma of skin (C43.-)
• malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2)
• Merkel cell carcinoma (C4A.-)

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 173.81 Basal cell carcinoma of other specified sites of skin (approximate)

Code annotations containing back-references to C44.81

Back-references to C44

• Type 1 Excludes: C76 Malignant neoplasm of other and ill-defined sites ("malignant neoplasm of skin (C44.-)")

Nearby codes

• C44.791 Other specified malignant neoplasm of skin of unspecified lower limb, including hip
• C44.792 Other specified malignant neoplasm of skin of right lower limb, including hip
• C44.799 Other specified malignant neoplasm of skin of left lower limb, including hip
• C44.8 Other and unspecified malignant neoplasm of overlapping sites of skin
• C44.80 Unspecified malignant neoplasm of overlapping sites of skin
• C44.81 Basal cell carcinoma of overlapping sites of skin (this code)
• C44.82 Squamous cell carcinoma of overlapping sites of skin
• C44.89 Other specified malignant neoplasm of overlapping sites of skin
• C44.9 Other and unspecified malignant neoplasm of skin, unspecified
• C44.90 Unspecified malignant neoplasm of skin, unspecified
• C44.91 Basal cell carcinoma of skin, unspecified