C22.1
BillableIntrahepatic bile duct carcinoma
C22.1 is the ICD-10-CM code for Intrahepatic bile duct carcinoma. It is a billable, specific code valid for reimbursement.
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHYour liver makes a digestive juice called bile. Your gallbladder stores it between meals. When you eat, your gallbladder pushes the bile into tubes called bile ducts . They carry the bile to your small intestine. The bile helps break down fat. It also helps the liver get rid of toxins and wastes. Bile duct cancer is rare. It can happen in the parts of the bile ducts that are outside or inside the liver. Cancer of…
Read more about Bile Duct Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Cholangiocarcinoma
Excludes1 — not coded here
- •malignant neoplasm of hepatic duct (C24.0)
Medications indicated for this condition
FDA labeling- BevacizumabVascular Endothelial Growth Factor Inhibitor [EPC]›
- Cabozantinib›
- AtezolizumabProgrammed Death Receptor-1 Blocking Antibody [EPC]›
- Atezolizumab and Hyaluronidase-tqjsProgrammed Death Receptor-1 Blocking Antibody [EPC]›
- DurvalumabProgrammed Death Ligand-1 Blocker [EPC]›
- Ethiodized OilRadiographic Contrast Agent [EPC]›
- IpilimumabCTLA-4-directed Blocking Antibody [EPC]›
- Nivolumab and Hyaluronidase-nvhyEndoglycosidase [EPC]›
- Regorafenib›
- SorafenibKinase Inhibitor [EPC]›
- TremelimumabCTLA-4-directed Blocking Antibody [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
- What is ICD-10 code C22.1?
- C22.1 is the ICD-10-CM code for "Intrahepatic bile duct carcinoma". It falls under C00-D49 Neoplasms.
- Is C22.1 a billable code?
- Yes — C22.1 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from C22.1?
- Excludes1 (not coded here): malignant neoplasm of hepatic duct (C24.0).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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