K82.8
Other specified diseases of gallbladder
K82.8 (also written K828) is a billable ICD-10-CM diagnosis code for other specified diseases of gallbladder. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 9 codes in category K82 (Other diseases of gallbladder). The Alphabetic Index lists it under 33 entries. Its coding notes include 2 Excludes1 entries and 8 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.
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 cystic duct or gallbladder
- Atrophy of cystic duct or gallbladder
- Cyst of cystic duct or gallbladder
- Dyskinesia of cystic duct or gallbladder
- Hypertrophy of cystic duct or gallbladder
- Nonfunctioning of cystic duct or gallbladder
- Ulcer of cystic duct or gallbladder
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 33 entries
- Acholia
- Adhesions, adhesive (postinfective), cystic duct
- Adhesions, adhesive (postinfective), gallbladder
- Adhesions, adhesive (postinfective), pericholecystic
- Atresia, atretic, cystic duct, acquired
- Atrophy, atrophic (of), cystic duct
- Atrophy, atrophic (of), gallbladder
- Calcification, gallbladder
- Cholecystectasia
- Cyst (colloid) (mucous) (simple) (retention), cystic duct
- Cyst (colloid) (mucous) (simple) (retention), gallbladder
- Deformity, cystic duct (congenital), acquired
Show 21 more
- Deformity, gallbladder (congenital), acquired
- Dilatation, cystic duct (acquired)
- Dilatation, gallbladder
- Disease, diseased, gallbladder, specified NEC
- Distension, distention, gallbladder
- Dysfunction, cystic duct
- Dysfunction, gallbladder
- Dyskinesia, biliary (cystic duct or gallbladder)
- Hypertrophy, hypertrophic, cystic duct
- Hypertrophy, hypertrophic, gallbladder
- Infarct, infarction, gallbladder
- Malposition, gallbladder
- Nonfunctioning, cystic duct
- Nonfunctioning, gallbladder
- Pouch, Hartmann's
- Rokitansky-Aschoff sinuses (gallbladder)
- Sinus, Rokitansky-Aschoff (gallbladder)
- Torsion, cystic duct
- Torsion, gallbladder
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, cystic duct
- Ulcer, ulcerated, ulcerating, ulceration, ulcerative, gallbladder or duct