C22Excl.: biliary tract NOS (C24.9) secondary malignant neoplasm of liver (C78.7)
Code usage status
Primary diagnosis
Not recommended as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
More specific child codes are available
Use the most specific code supported by the record.
- Chapter II
- Neoplasms
- Group C00-C97
- Malignant neoplasms U ác tính
- Official Vietnamese name
- - Loại trừ: đường mật không xác định khác (C24.9) - U ác tính thứ phát ở gan (C78.7)
- Additional WHO coding guidance
- U ác tính ở gan và/hoặc đường mật trong gan
Related C22 codes
C22.0
Primary diagnosis candidate
Liver cell carcinoma Hepatocellular
C22.1
Primary diagnosis candidate
Intrahepatic bile duct carcinoma
C22.2
Primary diagnosis candidate
Hepatoblastoma
C22.3
Primary diagnosis candidate
Angiosarcoma of liver
C22.4
Primary diagnosis candidate
Other sarcomas of liver
C22.7
Primary diagnosis candidate
Other specified carcinomas of liver
C22.9
Primary diagnosis candidate
Liver, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
