Non-Billable / Non-Specific Code
ICD-10-CM C44 is the diagnosis code for Other and unspecified malignant neoplasm of skin. This code falls under the section "Melanoma and other malignant neoplasms of skin" within Chapter 2 — Neoplasms (C00-D49). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as C44. They are mutually exclusive:
Understanding where C44 sits in the ICD-10-CM classification helps ensure proper coding:
No, C44 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
C44 is the ICD-10-CM diagnosis code for "Other and unspecified malignant neoplasm of skin". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C44 is located in Section C43-C44 — "Melanoma and other malignant neoplasms of skin" within Chapter 2 of the ICD-10-CM Tabular List.
C44 has 10 sub-code(s) that provide more specific detail: C44.0, C44.1, C44.2, C44.3, C44.4 and more.
Use C44 when the patients documented diagnosis matches "Other and unspecified malignant neoplasm of skin" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Other and unspecified malignant neoplasm of skin is C44.
No, C44 is non-billable. Use a more specific sub-code for primary diagnosis billing.
C44 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for C44 include: Kaposi's sarcoma of skin (C46.0); malignant melanoma of skin (C43.-); malignant neoplasm of skin of genital organs (C51-C52, C60.-, C63.2) and more.
Yes, C44 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.