U.S. ICD-10-CM · FY 2027

K85.9 ICD-10-CM Code: Acute pancreatitis, unspecified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

K85.9

Acute pancreatitis, unspecified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where K85.9 sits

  1. 1

    Chapter 11

    Diseases of the digestive system (K00-K95)

  2. 2

    Section

    Disorders of gallbladder, biliary tract and pancreas (K80-K87)

  3. 3

    Category K85

    Acute pancreatitis

  4. 4

    Code K85.9

    Acute pancreatitis, unspecified

More specific choices

Codes under K85.9

K85.9 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

  • Pancreatitis NOS

Code first

No “code first” instruction is listed for K85.9.

Use additional code

No “use additional code” instruction is listed for K85.9.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for K85.9.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for K85.9.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code K85.9 mean?

K85.9 is the FY 2027 U.S. ICD-10-CM code for “Acute pancreatitis, unspecified.”

Is K85.9 a billable or specific ICD-10-CM code?

No. K85.9 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is K85.9 located in ICD-10-CM?

K85.9 is listed in Chapter 11, Diseases of the digestive system (K00-K95), within Disorders of gallbladder, biliary tract and pancreas (K80-K87) (K80–K87), under category K85, Acute pancreatitis.

What coding notes are listed for K85.9?

Its listed inclusion terms are Pancreatitis NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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