K81
Non-billableCholecystitis
Cholecystitis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- cholecystitis with cholelithiasis (K80.-)
Excludes 2
Conditions not included here, but the patient may have both
- 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)
Child Codes (4)
Also Known As / Clinical Terms
UMLS
- CholecystitisC0008325
- Cholecystitis (disorder)C0008325
- Cholecystitis NOSC0008325
- Cholecystitis, unspecifiedC0008325
- GALLBLADDER INFLAMMC0008325
- Gallbladder InflammationC0008325
- Gallbladder inflammationC0008325
- Inflamed gallbladderC0008325
- Inflammation gallbladderC0008325
- Inflammation, GallbladderC0008325
- cholecystitisC0008325
- gall bladder inflammationC0008325
- gallbladder inflammationC0008325
Frequently Asked Questions
What is ICD-10 code K81?
ICD-10-CM code K81 represents "Cholecystitis". It is a non-billable header code — use a more specific child code for billing purposes.
Is K81 a billable code?
No, K81 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 4 child codes under K81.
What chapter is K81 in?
K81 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K81?
K81 has Excludes1 notes indicating codes that cannot be used together with it, including: cholecystitis with cholelithiasis (K80.-).
What are the subcategories under K81?
K81 has 4 child codes, including: K81.0 (Acute cholecystitis), K81.1 (Chronic cholecystitis), K81.2 (Acute cholecystitis with chronic cholecystitis), K81.9 (Cholecystitis, unspecified).
Are additional codes required with K81?
Yes, when using K81 you should also code: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2).
What are the UMLS CUIs for K81?
K81 is linked to 1 UMLS Concept Unique Identifier: C0008325. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.