Short answer · Medically reviewed summary · Last updated: 2026-05-08
The primary ICD-10 code for malignant neoplasm of the liver and intrahepatic bile ducts is C22, while the corresponding ICD-9 code is 155.0 for malignant neoplasm of the liver, primary. These codes are used globally for clinical documentation, billing, and public health tracking of Liver Cancer. Why are there different codes for Liver Cancer? Medical coding systems like ICD-9 and ICD-10 categorize Liver Cancer based on the tumor's origin and histology.
ICD10 code of Liver Cancer and ICD9 code
ICD-10 and ICD-9 codes for Liver Cancer, with classification details for clinicians, coders and patients.
The primary ICD-10 code for malignant neoplasm of the liver and intrahepatic bile ducts is C22, while the corresponding ICD-9 code is 155.0 for malignant neoplasm of the liver, primary. These codes are used globally for clinical documentation, billing, and public health tracking of Liver Cancer.
Why are there different codes for Liver Cancer?
Medical coding systems like ICD-9 and ICD-10 categorize Liver Cancer based on the tumor's origin and histology. While C22 is the standard for primary Liver Cancer (such as hepatocellular carcinoma), secondary or metastatic liver tumors are coded differently (typically under C78.7). Using the correct code is essential for ensuring that patients receive accurate insurance coverage and that researchers can track the prevalence of Liver Cancer effectively.
How is Liver Cancer classified in medical records?
Clinicians use specific sub-codes to provide more detail about the nature of the diagnosis. When documenting Liver Cancer, healthcare providers often choose from the following sub-classifications under the C22 category:
- C22.0: Liver cell carcinoma (Hepatocellular carcinoma)
- C22.1: Intrahepatic bile duct carcinoma (Cholangiocarcinoma)
- C22.2: Hepatoblastoma
- C22.3: Angiosarcoma of the liver
- C22.4: Other sarcomas of the liver
What should patients know about their diagnosis?
Receiving a diagnosis of Liver Cancer can be overwhelming, and understanding the administrative side of the condition is only one part of the journey. Currently, 11 members of the DiseaseMaps community are navigating their own experiences with Liver Cancer, offering a space for shared support. It is important to remember that these codes are tools for the medical system, but your care plan should be personalized based on your specific staging and pathology report.
Next steps
- Consult with your hepatologist or oncologist to ensure your pathology report and ICD-10 codes accurately reflect your specific diagnosis.
- Connect with the Liver Cancer community at DiseaseMaps.org to share experiences with others who understand the diagnosis.
- Verify your insurance coverage and treatment options by referencing your specific ICD-10 code with your healthcare provider.
Medical disclaimer: This information is for educational purposes only and does not replace professional medical advice, diagnosis, or treatment from a qualified healthcare provider.
References
- World Health Organization (WHO) - ICD-10 Version: 2019
- National Cancer Institute (NCI) - PDQ® Cancer Information Summaries
- American Liver Foundation (ALF) - Liver Cancer Resources
- NIH Genetic and Rare Diseases Information Center (GARD)
