ICD10BillableValid for clinical use
ICD-10 Code K80.45: Calculus of bile duct with chronic cholecystitis with obstruction
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents calculus of bile duct with chronic cholecystitis with obstruction in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K80-K87Disorders of gallbladder, biliary tract and pancreas
category
K80Cholelithiasis
category
K80.4Calculus of bile duct with cholecystitis
currentK80.4
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
GastroenterologistGeneral Physician
Related codes
K80.40Calculus of bile duct with cholecystitis, unspecified, without obstructioncodeK80.41Calculus of bile duct with cholecystitis, unspecified, with obstructioncodeK80.42Calculus of bile duct with acute cholecystitis without obstructioncodeK80.43Calculus of bile duct with acute cholecystitis with obstructioncodeK80.44Calculus of bile duct with chronic cholecystitis without obstructioncodeK80.46Calculus of bile duct with acute and chronic cholecystitis without obstructioncodeK80.47Calculus of bile duct with acute and chronic cholecystitis with obstructioncode
Sibling codes
K80.40Calculus of bile duct with cholecystitis, unspecified, without obstructionbillableK80.41Calculus of bile duct with cholecystitis, unspecified, with obstructionbillableK80.42Calculus of bile duct with acute cholecystitis without obstructionbillableK80.43Calculus of bile duct with acute cholecystitis with obstructionbillableK80.44Calculus of bile duct with chronic cholecystitis without obstructionbillableK80.46Calculus of bile duct with acute and chronic cholecystitis without obstructionbillableK80.47Calculus of bile duct with acute and chronic cholecystitis with obstructionbillable
Coverage-related procedures and services
CPT 43235high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; DIAGNOSTIC, INCLUDING COLLECTION OF SPECIMEN(S) BY BRUSHING OR WASHING, WHEN PERFORMED (SEPARATE PROCEDURE)
Source: CMS coverage guidance
CPT 43270high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH ABLATION OF TUMOR(S), POLYP(S), OR OTHER LESION(S) (INCLUDES PRE- AND POST-DILATION AND GUIDE WIRE PASSAGE, WHEN PERFORMED)
Source: CMS coverage guidance
CPT 43244high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH BAND LIGATION OF ESOPHAGEAL/GASTRIC VARICES
Source: CMS coverage guidance
CPT 43239high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH BIOPSY, SINGLE OR MULTIPLE
Source: CMS coverage guidance
CPT 43255high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH CONTROL OF BLEEDING, ANY METHOD
Source: CMS coverage guidance
CPT 43233high
ESOPHAGOGASTRODUODENOSCOPY, FLEXIBLE, TRANSORAL; WITH DILATION OF ESOPHAGUS WITH BALLOON (30 MM DIAMETER OR LARGER) (INCLUDES FLUOROSCOPIC GUIDANCE, WHEN PERFORMED)
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Calculus of bile duct with chronic cholecystitis with obstruction
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.