Billable / Specific Code
ICD-10-CM C44.520 is the diagnosis code for Squamous cell carcinoma 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 C44.520 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C44.520 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C44.520 is the ICD-10-CM diagnosis code for "Squamous cell carcinoma 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 C44.520 is C44.52 ("Squamous cell carcinoma of skin of trunk"). C44.520 provides a more specific classification within this category.
C44.520 is located in Section C43-C44 — "Melanoma and other malignant neoplasms of skin" within Chapter 2 of the ICD-10-CM Tabular List.
Use C44.520 when the patients documented diagnosis matches "Squamous cell carcinoma 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 Squamous cell carcinoma of anal skin is C44.520.
Yes, C44.520 can be used as a primary diagnosis code since it is billable and specific.
C44.520 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C44.520 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.