K83.9 Disease of biliary tract, unspecified

Billable ICD-10-CM code, FY2026.

Applies from K83 Other diseases of biliary tract

Excludes1 (never code together)

• postcholecystectomy syndrome (K91.5)

Excludes2 (not included here)

• conditions involving the gallbladder (K81-K82)
• conditions involving the cystic duct (K81-K82)

MS-DRG index

Defines the logic of DRG(s) 444-446 in MDC 07.

Approximate ICD-9-CM (GEMs)

• 576.9 Unspecified disorder of biliary tract

Diagnosis Index entries for K83.9

• Disease, diseased › bile duct (common) (hepatic)
• Disease, diseased › biliary (tract)
• Disease, diseased › hepatobiliary

Nearby codes

• K83.2 Perforation of bile duct
• K83.3 Fistula of bile duct
• K83.4 Spasm of sphincter of Oddi
• K83.5 Biliary cyst
• K83.8 Other specified diseases of biliary tract
• K83.9 Disease of biliary tract, unspecified (this code)