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ICD-10 Code K80.4: Calculus of bile duct with cholecystitis

K80.4 is an ICD-10 diagnosis entry used to group records related to Calculus of bile duct with cholecystitis. You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen. ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).

What is this code?

ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. 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 cholecystitis in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.

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.
  • This entry may represent a broader category rather than the most specific billable code.

Code hierarchy

chapter
11Diseases of the digestive system (K00-K95)
block
K80-K87Disorders of gallbladder, biliary tract and pancreas
category
K80Cholelithiasis
currentK80

Official coding notes

Inclusion terms
  • Any condition listed in K80.5 with cholecystitis (with cholangitis)
Applicable to
  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
Use additional code
  • code if applicable for associated gangrene of gallbladder (K82.A1), or perforation of gallbladder (K82.A2)
Code also
  • , if applicable, fistula of bile duct (K83.3)

Where you may see this code

You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.

Related specialists

GastroenterologistGeneral Physician

Coding guidelines

Compatibility

Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
K80.4
Replacement codes
K80.40 — Calculus of bile duct with cholecystitis, unspecified, without obstructionK80.41 — Calculus of bile duct with cholecystitis, unspecified, with obstructionK80.42 — Calculus of bile duct with acute cholecystitis without obstructionK80.43 — Calculus of bile duct with acute cholecystitis with obstructionK80.44 — Calculus of bile duct with chronic cholecystitis without obstructionK80.45 — Calculus of bile duct with chronic cholecystitis with obstructionK80.46 — Calculus of bile duct with acute and chronic cholecystitis without obstructionK80.47 — Calculus of bile duct with acute and chronic cholecystitis with obstruction

Common synonyms

Calculus of bile duct with cholecystitis

Frequently asked questions

Code details

CodeK80.4
SystemICD10
Display nameCalculus of bile duct with cholecystitis
ChapterDiseases of the digestive system (K00-K95)
BlockDisorders of gallbladder, biliary tract and pancreas

Flags

BillableNo
Valid clinical useNo

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

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.