ICD-10-CM Diagnosis Code (2025)
Official Description for C44
Other and unspecified malignant neoplasm of skin
Coding Notes & Guidelines for C44
- malignant neoplasm of sebaceous glands
- malignant neoplasm of sweat glands
- 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.-)
malignant neoplasm of lip (C00.-)
connective tissue of eyelid (C49.0)
connective tissue of ear (C49.0)
- anus NOS (C21.0)
- scrotum (C63.2)
- Unspecified malignant neoplasm of anal margin
- Unspecified malignant neoplasm of perianal skin
- Basal cell carcinoma of anal margin
- Basal cell carcinoma of perianal skin
- Squamous cell carcinoma of anal margin
- Squamous cell carcinoma of perianal skin
- Other specified malignant neoplasm of anal margin
- Other specified malignant neoplasm of perianal skin
Malignant neoplasm of unspecified site of skin
Child Codes (More Specific Codes for C44):
About ICD-10-CM Code C44 (Other and unspecified malignant neoplasm of skin)
ICD-10-CM code C44 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM C44 became effective on October 1, 2024.
This page provides detailed information about C44 - Other and unspecified malignant neoplasm of skin. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other and unspecified malignant neoplasm of skin.