K81.1
BillableChronic cholecystitis
Chronic cholecystitis
Coding Notes
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
Excludes 2
Conditions not included here, but the patient may have both
- •certain conditions originating in the perinatal periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
Use Additional Code
Additional codes that should follow this code
Related Codes(3)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(21)
SNOMED CT
UMLS
Clinical Terms
- Cholecystitis chronic NOS
- Chronic cholecystitis without calculus
- Acalculous cholecystitis
- Chronic calculous cholecystitis
- cholecystitis chronic
- Chronic cholecystitis (disorder)
- Cholecystitis glandularis proliferans
- Cholecystitis without calculus
Frequently Asked Questions
What is the ICD-10 code for chronic cholecystitis?
The ICD-10-CM code for chronic cholecystitis is K81.1. The full clinical description is "Chronic cholecystitis". K81.1 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K81.1 mean?
ICD-10-CM code K81.1 represents “Chronic cholecystitis”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.
Is K81.1 a billable code?
Yes, K81.1 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K81.1 in?
K81.1 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K81.1?
K81.1 has Excludes1 notes indicating codes that cannot be used together with it, including: cholecystitis with cholelithiasis (K80.-).
Are additional codes required with K81.1?
Yes, when using K81.1, also report: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2).
What SNOMED CT codes does K81.1 map to?
K81.1 maps to 4 SNOMED CT concepts: 19968009, 46341007, 20824003, 53928001. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K81.1?
K81.1 is linked to 1 UMLS Concept Unique Identifier: C0085694. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K81.1 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like chronic cholecystitis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K81.1?
K81.1 maps to the ICD-11 code: DC12.1 (Chronic cholecystitis).
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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.