K81.1 Chronic cholecystitis
Instructional Notes:
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K81.1
Description: Chronic cholecystitis
↓
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K81
Description: Cholecystitis
Exclude1:
- cholecystitis with cholelithiasis (K80.-)
Use Additional Code:
- code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
↓
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K80-K87
Description: Disorders of gallbladder, biliary tract and pancreas (K80-K87)
↓
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K00-K95
Description: Diseases of the digestive system
Exclude2:
- 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)