Alphabetic Index FY2027

K82.2

Perforation of gallbladder

FY2027Chapter 11: Diseases of the digestive system/K80–K87 Disorders of gallbladder, biliary tract and pancreas

BillableComplete code, valid to report
Care settingsHome Health Primary · MMTA - Gastrointestinal tract and Genitourinary systemHospital MCC

K82.2 (also written K822) is a billable ICD-10-CM diagnosis code for perforation 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 7 entries. Its coding notes include 3 Excludes1 entries and 8 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

This code
  • Perforation of gallbladder in cholecystitis (K82.A2)
Inherited from K82 Other diseases of gallbladder
  • nonvisualization of gallbladder (R93.2)
  • postcholecystectomy syndrome (K91.5)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (8 notes)
Inherited from Chapter 11 Diseases of the digestive system
  • 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, 2026

Hospital MCC

Counts as a major complication or comorbidity (MCC) when reported as a secondary diagnosis on an inpatient claim. It does not count when the principal diagnosis is one of the 10 codes in its exclusion list. Some MS-DRGs also ignore a CC or MCC that defines the DRG.

Source: CMS MS-DRG Definitions Manual v44, effective October 1, 2026, Appendix C

Inclusion terms

Conditions classified to this code.

This code
  • Rupture of cystic duct or gallbladder

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 7 entries