ICD-10-CM › K00-K95 › K80-K87 › K81 Cholecystitis › K81.1
Chronic cholecystitis
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Chronic cholecystitis
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from K81 Cholecystitis
Excludes1 - never coded here
- cholecystitis with cholelithiasis (K80.-)
Use additional code
- code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Febris, febrile
- Fever > hepatic
- Fever > viral hemorrhagic
- Nonfunctioning > cystic duct
- Nonfunctioning > gallbladder
- Infection, infected, infective > cystic duct
- Infection, infected, infective > gallbladder
- Disease, diseased > gallbladder > cholecystitis
- Inflammation, inflamed, inflammatory > gallbladder
- Cholecystitis > chronic
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K81.0 | Acute cholecystitis | Valid |
| K81.2 | Acute cholecystitis with chronic cholecystitis | Valid |
| K81.9 | Cholecystitis, unspecified | Valid |