K83.9Disease of biliary tract, unspecified
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Chapter XI
- Diseases of the digestive system
- Group K80-K87
- Disorders of gallbladder, biliary tract and pancreas
- Official Vietnamese name
- Bệnh đường mật, không xác định
Related K83 codes
K83
Other diseases of biliary tract
K83.0
Primary diagnosis candidate
Cholangitis
K83.1
Primary diagnosis candidate
Obstruction of bile duct
K83.2
Primary diagnosis candidate
Perforation of bile duct
K83.3
Primary diagnosis candidate
Fistula of bile duct
K83.4
Primary diagnosis candidate
Spasm of sphincter of Oddi
K83.5
Primary diagnosis candidate
Biliary cyst
K83.8
Primary diagnosis candidate
Other specified diseases of biliary tract
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.
