C24.9 is the authoritative medical code for Malignant neoplasm of biliary tract, unspecified. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of biliary tract, unspecified (ICD-10-CM C24.9), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Sequencing, inclusion, and exclusion notes published for C24.9 in the official ICD-10-CM tabular list.
Conditions that can never be reported with this code; the two are mutually exclusive.
Conditions not covered by this code, but which may be reported alongside it when both are present.
Per official ICD-10-CM Excludes1 instructions, C24.9 must not be reported together with: malignant neoplasm of intrahepatic bile duct (C22.1); Kaposi's sarcoma of gastrointestinal sites (C46.4).
Per official ICD-10-CM Excludes2 instructions, C24.9 and the following are not considered part of each other and may both be reported when both conditions are present: gastrointestinal stromal tumors (C49.A-).
Official ICD-10-CM classifications closest to C24.9 in its code family, with their registry titles.
Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.