ICD10

ICD-10 Code K85.0: Idiopathic acute pancreatitis

K85.0 is an ICD-10 diagnosis entry used to group records related to Idiopathic acute pancreatitis. 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).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

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 idiopathic acute pancreatitis 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
K85Acute pancreatitis
currentK85

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
K85.0
Replacement codes
K85.00 — Idiopathic acute pancreatitis without necrosis or infectionK85.01 — Idiopathic acute pancreatitis with uninfected necrosisK85.02 — Idiopathic acute pancreatitis with infected necrosis

Common synonyms

Idiopathic acute pancreatitis

Frequently asked questions

Code details

CodeK85.0
SystemICD10
Display nameIdiopathic acute pancreatitis
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.