K81.9
BillableCholecystitis, unspecified
Cholecystitis, unspecified
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)
Also Known As / Clinical Terms
SNOMED CT
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 K81.9?
ICD-10-CM code K81.9 represents "Cholecystitis, unspecified". It is a billable/specific code that can be used on a claim.
Is K81.9 a billable code?
Yes, K81.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K81.9 in?
K81.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K81.9?
K81.9 has Excludes1 notes indicating codes that cannot be used together with it, including: cholecystitis with cholelithiasis (K80.-).
Are additional codes required with K81.9?
Yes, when using K81.9 you should also code: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2).
What SNOMED CT codes does K81.9 map to?
K81.9 maps to 4 SNOMED CT concepts: 19968009, 76581006, 64534006, 448286002. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K81.9?
K81.9 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.