Billable / Specific Code
ICD-10-CM C44.500 is the diagnosis code for Unspecified malignant neoplasm of anal skin. This code falls under the section "Melanoma and other malignant neoplasms of skin" within Chapter 2 — Neoplasms (C00-D49). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Understanding where C44.500 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C44.500 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C44.500 is the ICD-10-CM diagnosis code for "Unspecified malignant neoplasm of anal skin". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of C44.500 is C44.50 ("Unspecified malignant neoplasm of skin of trunk"). C44.500 provides a more specific classification within this category.
C44.500 is located in Section C43-C44 — "Melanoma and other malignant neoplasms of skin" within Chapter 2 of the ICD-10-CM Tabular List.
Use C44.500 when the patients documented diagnosis matches "Unspecified malignant neoplasm of anal 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 Unspecified malignant neoplasm of anal skin is C44.500.
Yes, C44.500 can be used as a primary diagnosis code since it is billable and specific.
C44.500 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C44.500 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.