K81.0
BillableAcute cholecystitis
Acute cholecystitis
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Abscess of gallbladder
- Angiocholecystitis
- Emphysematous (acute) cholecystitis
- Empyema of gallbladder
- Gangrene of gallbladder
- Gangrenous cholecystitis
- Suppurative cholecystitis
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(99)
SNOMED CT
- Acalculous cholecystitis19968009
- Cholecystitis without calculus19968009
- Abscess of gallbladder32038009
- Acute emphysematous cholecystitis32067005
- Acute acalculous cholecystitis34346002
- Acute cholecystitis without calculus34346002
- Acute haemorrhagic cholecystitis48413001
- Acute hemorrhagic cholecystitis48413001
- Acute cholecystitis65275009
- Acute gangrenous cholecystitis72533002
- Empyema of gallbladder73125001
- Angiocholecystitis78754002
- Pericholecystic abscess84233008
- Acute suppurative cholecystitis89628003
- Emphysematous cholecystitis95558008
- Gaseous cholecystitis95558008
- Gaseous pericholecystitis95558008
- Pneumocholecystitis95558008
- Gallbladder gangrene111372003
- Gangrene of gallbladder111372003
- Acute angiocholecystitis197410004
- Infective cholangitis405590003
UMLS
- Abscess of gallbladderC1306121
- Abscess of gallbladder (disorder)C1306121
- Gallbladder abscessC1306121
- Acute CholecystitisC0149520
- Acute calculous cholecystitisC0149520
- Acute cholecystitisC0149520
- Acute cholecystitis (disorder)C0149520
- Cholecystitis acuteC0149520
- Cholecystitis acute NOSC0149520
- Cholecystitis, AcuteC0149520
- acute cholecystitisC0149520
- Acute emphysematous cholecystitisC0267846
- Acute emphysematous cholecystitis (disorder)C0267846
- Emphysematous (acute) cholecystitisC0267846
- AngiocholecystitisC0267847
- Angiocholecystitis (disorder)C0267847
- Cholecystitis suppurativeC1392482
- Suppurative cholecystitisC1392482
- Empyema of gallbladderC0014012
- Empyema of gallbladder (disorder)C0014012
- Empyema, Gall BladderC0014012
- Empyema, GallbladderC0014012
- Gall Bladder EmpyemaC0014012
- Gallbladder EmpyemaC0014012
- Gallbladder empyemaC0014012
- empyema gallbladderC0014012
- gall bladder empyemaC0014012
- Gallbladder gangreneC0267850
- Gangrene of gallbladderC0267850
- Gangrene of gallbladder (disorder)C0267850
- gallbladder gangreneC0267850
- gangrene gallbladderC0267850
- gangrene of gallbladderC0267850
- Gangrenous cholecystitisC0262494
- gangrenous cholecystitisC0262494
Clinical Terms
- Acute angiocholecystitis
- Gallbladder gangrene
- Suppurative cholecystitis
- Pneumocholecystitis
- Emphysematous (acute) cholecystitis
- Acute emphysematous cholecystitis
- Gangrene of gallbladder
- Acute haemorrhagic cholecystitis
- Gall Bladder Empyema
- Acute gangrenous cholecystitis
- Cholecystitis without calculus
- Angiocholecystitis
- Cholecystitis, Acute
- Emphysematous cholecystitis
- Gallbladder empyema
- Acute cholecystitis (disorder)
- Cholecystitis suppurative
- Empyema, Gallbladder
- Acalculous cholecystitis
- Empyema of gallbladder
- Gangrene of gallbladder (disorder)
- empyema gallbladder
- gangrenous cholecystitis
- Gaseous pericholecystitis
- Infective cholangitis
- Acute calculous cholecystitis
- gangrene gallbladder
- Empyema of gallbladder (disorder)
- Cholecystitis acute
- Empyema, Gall Bladder
- Acute hemorrhagic cholecystitis
- Pericholecystic abscess
- Acute suppurative cholecystitis
- Abscess of gallbladder (disorder)
- Gallbladder abscess
- Acute acalculous cholecystitis
- Acute cholecystitis without calculus
- Gaseous cholecystitis
- Cholecystitis acute NOS
- Abscess of gallbladder
- Angiocholecystitis (disorder)
- Acute emphysematous cholecystitis (disorder)
Frequently Asked Questions
What is the ICD-10 code for acute cholecystitis?
The ICD-10-CM code for acute cholecystitis is K81.0. The full clinical description is "Acute cholecystitis". K81.0 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code K81.0 mean?
ICD-10-CM code K81.0 represents “Acute 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 K81.0 a billable code?
Yes, K81.0 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is K81.0 in?
K81.0 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K81.0?
K81.0 has Excludes1 notes indicating codes that cannot be used together with it, including: cholecystitis with cholelithiasis (K80.-).
Are additional codes required with K81.0?
Yes, when using K81.0, also report: code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2).
What SNOMED CT codes does K81.0 map to?
K81.0 maps to 15 SNOMED CT concepts: 32038009, 19968009, 34346002, 197410004, 65275009, and 10 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for K81.0?
K81.0 is linked to 8 UMLS Concept Unique Identifiers: C1306121, C0149520, C0267846, C0267847, C1392482, and 3 more. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K81.0 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like acute 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 K81.0?
K81.0 maps to the ICD-11 code: DC12.0Z (Acute cholecystitis, unspecified).
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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.