ICD-10 · PDGM grouping
K82 Other diseases of gallbladder
All 9 codes in the K82 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.
Codes in family
9
Can lead a claim
6
Cannot lead a claim
3
What CMS assigns to K82
6 of the 9 codes group to MMTA - Gastrointestinal tract and Genitourinary system; 3 are assigned no clinical group. None of the 9 is assigned a comorbidity subgroup. 6 of the 9 can lead a claim. CMS attaches a code-first note to 2 of the 9.
Code first
CMS grouper convention 106, on K82.A1, K82.A2. Code first:
- the type of cholecystitis (K81.-), or cholelithiasis with cholecystitis (K80.00-K80.19, K80.40-K80.47, K80.60-K80.67)
Every code in K82
Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.
| Code | Description | Primary position | Clinical group | Comorbidity subgroup |
|---|---|---|---|---|
| K82.0 | Obstruction of gallbladder | Can lead a claim | J | None |
| K82.1 | Hydrops of gallbladder | Can lead a claim | J | None |
| K82.2 | Perforation of gallbladder | Can lead a claim | J | None |
| K82.3 | Fistula of gallbladder | Can lead a claim | J | None |
| K82.4 | Cholesterolosis of gallbladder | Can lead a claim | J | None |
| K82.8 | Other specified diseases of gallbladder | Can lead a claim | J | None |
| K82.9 | Disease of gallbladder, unspecified | Cannot lead a claimPrincipal diagnosis not assigned to a clinical group | None | None |
| K82.A Disorders of gallbladder in diseases classified elsewhere | ||||
| K82.A1 | Gangrene of gallbladder in cholecystitis | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
| K82.A2 | Perforation of gallbladder in cholecystitis | Cannot lead a claimManifestation code is not reportable as principal diagnosis | None | None |
Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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