K81 vs K82.4
K81 and K82.4 can never be reported together. ICD-10-CM declares them mutually exclusive with an Excludes1 note, meaning the two conditions cannot occur in the same patient — so exactly one of them is correct for any given encounter.
The official note, declared on K82.4
cholesterolosis of gallbladder with cholecystitis (K81.-)
K82.4
Cholesterolosis of gallbladder
Billable
- Chapter 11
- Diseases of the digestive system
- Section
- K80-K87
Use when the record says
- Strawberry gallbladder
Indexed under
- Cholesterolosis, cholesterosis (gallbladder)
- Imbibition, cholesterol (gallbladder)
- Cholesterol › imbibition of gallbladder
- Polyp, polypus › cholesterol
- Polyp, polypus › gallbladder
Excludes1 is not always absolute: where two conditions covered by the note are genuinely unrelated, CMS guidance permits reporting both. Document the reasoning rather than assuming it. More on Excludes1 vs Excludes2 · FY2027