2026 ICD-10-CM Diagnosis Code K82.3Fistula of gallbladder
ICD-10-CM Codes›K00–K95›K80-K87›K82
- Billable — Valid for Submission
- Chronic Condition
K82.3 is a billable ICD-10-CM diagnosis code for fistula of gallbladder. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 444 through 446. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Biliary tract disease.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Acquired cholecystocolic fistula
- Cholecystenteric fistula
- Cholecystoduodenal fistula
- Cholecystogastric fistula
- Cholecystojejunal fistula
- Duodenal fistula
- Fistula of gallbladder
- Gastric fistula
- Internal duodenal fistula
- Internal gastric fistula
- Jejunal fistula
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Cholecystocolic fistula
- Cholecystoduodenal fistula
Code Also
- , if applicable, disruption of internal operation surgical wound T81.32
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
- Cholocolic fistula - K82.3
- cholocolic - K82.3
- gallbladder - K82.3
External Cause of Injuries IndexGuidance
References for this code in the External Cause of Injuries Index.
- Cholocolic fistula
- Fistula(cutaneous)
- cholocolic
- Fistula(cutaneous)
- gallbladder
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Gastric Fistula
abnormal passage communicating with the stomach.Stomach
an organ of digestion situated in the left upper quadrant of the abdomen between the termination of the esophagus and the beginning of the duodenum.
Patient EducationClinical
Fistulas
A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus and the windpipe or the bowel and the vagina. They can also develop between two blood vessels, such as between an artery and a vein or between two arteries.
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Convert K82.3 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About K82.3Overview
Is K82.3 (Other diseases of gallbladder) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report fistula of gallbladder on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does K82.3 group to?
When fistula of gallbladder is the principal diagnosis on an inpatient stay, it groups to MS-DRG 444, 445, 446, with relative weights from 0.8273 to 1.6709 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of K82.3?
Under the General Equivalence Mappings, fistula of gallbladder converts to ICD-9-CM 575.5 (fistula of gallbladder). The mapping is a direct match.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
