ICD10BillableValid for clinical use
ICD-10 Code K83.5: Biliary cyst
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 biliary cyst 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
K83Other diseases of biliary tract
currentK83
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
Sibling codes
Coverage-related procedures and services
CPT 82652high
VITAMIN D; 1, 25 DIHYDROXY, INCLUDES FRACTION(S), IF PERFORMED
Source: CMS coverage guidance
CPT 82306high
VITAMIN D; 25 HYDROXY, INCLUDES FRACTION(S), IF PERFORMED
Source: CMS coverage guidance
CPT 43260high
ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY (ERCP); DIAGNOSTIC, INCLUDING COLLECTION OF SPECIMEN(S) BY BRUSHING OR WASHING, WHEN PERFORMED (SEPARATE PROCEDURE)
Source: CMS coverage guidance
CPT 43278high
ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY (ERCP); WITH ABLATION OF TUMOR(S), POLYP(S), OR OTHER LESION(S), INCLUDING PRE- AND POST-DILATION AND GUIDE WIRE PASSAGE, WHEN PERFORMED
Source: CMS coverage guidance
CPT 43261high
ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY (ERCP); WITH BIOPSY, SINGLE OR MULTIPLE
Source: CMS coverage guidance
CPT 43265high
ENDOSCOPIC RETROGRADE CHOLANGIOPANCREATOGRAPHY (ERCP); WITH DESTRUCTION OF CALCULI, ANY METHOD (EG, MECHANICAL, ELECTROHYDRAULIC, LITHOTRIPSY)
Source: CMS coverage guidance
Mapped diagnoses and classifications
SNOMED_CT 1204348005high
Acquired choledochal cyst
Source: SNOMED International ICD-10 map
SNOMED_CT 441285006high
Acquired cystic dilatation of common bile duct
Source: SNOMED International ICD-10 map
SNOMED_CT 1204371007high
Choledochal cyst
Source: SNOMED International ICD-10 map
SNOMED_CT 9484001high
Cyst of bile duct
Source: SNOMED International ICD-10 map
SNOMED_CT 235924006high
Cyst of biliary tract
Source: SNOMED International ICD-10 map
SNOMED_CT 235925007high
Cyst of intrahepatic bile ducts
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K83.5
Common synonyms
Biliary cyst
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.