Non-Billable / Non-Specific Code
ICD-10-CM C24 is the diagnosis code for Malignant neoplasm of other and unspecified parts of biliary tract. This code falls under the section "Malignant neoplasms of digestive organs" 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 C24. They are mutually exclusive:
Understanding where C24 sits in the ICD-10-CM classification helps ensure proper coding:
No, C24 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
C24 is the ICD-10-CM diagnosis code for "Malignant neoplasm of other and unspecified parts of biliary tract". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
C24 is located in Section C15-C26 — "Malignant neoplasms of digestive organs" within Chapter 2 of the ICD-10-CM Tabular List.
C24 has 4 sub-code(s) that provide more specific detail: C24.0, C24.1, C24.8, C24.9.
Use C24 when the patients documented diagnosis matches "Malignant neoplasm of other and unspecified parts of biliary tract" 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 Malignant neoplasm of other and unspecified parts of biliary tract is C24.
No, C24 is non-billable. Use a more specific sub-code for primary diagnosis billing.
C24 is in Chapter 2 of the ICD-10-CM Tabular List.
Type 1 Excludes for C24 include: malignant neoplasm of intrahepatic bile duct (C22.1).
Yes, C24 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.