K83.8
Other specified diseases of biliary tract
K83.8 (also written K838) is a billable ICD-10-CM diagnosis code for other specified diseases of biliary tract. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category K83 (Other diseases of biliary tract). The Alphabetic Index lists it under 21 entries. Its coding notes include 1 Excludes1 entry and 10 Excludes2 entries.
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
- conditions involving the gallbladder (K81-K82)
- conditions involving the cystic duct (K81-K82)
Also from chapter/block level (8 notes)
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
Care settings
How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.
Home Health Primary
Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Gastrointestinal tract and Genitourinary system clinical group.
Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026Inclusion terms
Conditions classified to this code.
- Adhesions of biliary tract
- Atrophy of biliary tract
- Hypertrophy of biliary tract
- Ulcer of biliary tract
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 21 entries
- Adhesions, adhesive (postinfective), bile duct (common) (hepatic)
- Adhesions, adhesive (postinfective), common duct
- Atrophy, atrophic (of), bile duct (common) (hepatic)
- Cholangiectasis
- Cholangiohepatitis
- Cicatrix (adherent) (contracted) (painful) (vicious), bile duct (common) (hepatic)
- Cicatrix (adherent) (contracted) (painful) (vicious), common duct
- Contraction (s), contracture, contracted, bile duct (common) (hepatic)
- Deformity, bile duct (common) (congenital) (hepatic), acquired
- Deformity, biliary duct or passage (congenital), acquired
- Deformity, hepatic duct (congenital), acquired
- Dilatation, common duct (acquired)
Show 9 more
- Disease, diseased, bile duct (common) (hepatic), specified NEC
- Disease, diseased, biliary (tract), specified NEC
- Dyssynergia, biliary
- Hematobilia
- Hypertrophy, hypertrophic, bile duct (common) (hepatic)
- Insufficiency, insufficient, biliary
- Spasm (s), spastic, spasticity, common duct
- Torsion, bile duct (common) (hepatic)
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, bile duct (common) (hepatic)