Cholecystitis - K81
Use Additional Code: This note indicates that an additional code should be used in conjunction with the primary code "K81" to provide a complete picture of the patient's condition or to capture associated factors.
Use Additional:
- code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- cholecystitis with cholelithiasis (K80.-)
These ranges represents subcategories of Cholecystitis. The "K81" signifies that these are the diseases within this broad category.