Billable / Specific Code
ICD-10-CM C44.591 is the diagnosis code for Other specified malignant neoplasm of skin of breast. 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where C44.591 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, C44.591 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
C44.591 is the ICD-10-CM diagnosis code for "Other specified malignant neoplasm of skin of breast". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of C44.591 is C44.59 ("Other specified malignant neoplasm of skin of trunk"). C44.591 provides a more specific classification within this category.
C44.591 is located in Section C43-C44 — "Melanoma and other malignant neoplasms of skin" within Chapter 2 of the ICD-10-CM Tabular List.
Use C44.591 when the patients documented diagnosis matches "Other specified malignant neoplasm of skin of breast" 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 specified malignant neoplasm of skin of breast is C44.591.
Yes, C44.591 can be used as a primary diagnosis code since it is billable and specific.
C44.591 is in Chapter 2 of the ICD-10-CM Tabular List.
Yes, C44.591 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.