U.S. ICD-10-CM · FY 2027

I30 ICD-10-CM Code: Acute pericarditis

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

Code definition

Official description

I30

Acute pericarditis

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

Classification

Where I30 sits

  1. 1

    Chapter 9

    Diseases of the circulatory system (I00-I99)

  2. 2

    Section

    Other forms of heart disease (I30-I5A)

  3. 3

    Category I30

    Acute pericarditis

  4. 4

    Code I30

    Acute pericarditis

More specific choices

Codes under I30

I30 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for I30.

Code first

No “code first” instruction is listed for I30.

Use additional code

No “use additional code” instruction is listed for I30.

Excludes1

Conditions that should not be reported together with this code.

  • Dressler's syndrome (I24.1)
  • rheumatic pericarditis (acute) (I01.0)
  • viral pericarditis due to Coxsackie virus (B33.23)

Excludes2

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

No Excludes2 note is listed for I30.

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 I30 mean?

I30 is the FY 2027 U.S. ICD-10-CM code for “Acute pericarditis.”

Is I30 a billable or specific ICD-10-CM code?

No. I30 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 I30 located in ICD-10-CM?

I30 is listed in Chapter 9, Diseases of the circulatory system (I00-I99), within Other forms of heart disease (I30-I5A) (I30–I5A), under category I30, Acute pericarditis.

What coding notes are listed for I30?

No inclusion terms are listed for I30 in this reference record. No code-first instruction is listed. Excludes1 notes: Dressler's syndrome (I24.1); rheumatic pericarditis (acute) (I01.0); viral pericarditis due to Coxsackie virus (B33.23). No Excludes2 note is listed.

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