2026 ICD-10-CM Diagnosis Code I30Acute pericarditis

ICD-10-CM Codes›I00–I99›I30-I5A›I30

ICD-10-CM I30
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

I30 is a non-billable ICD-10-CM category code for acute pericarditis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as I30.0, I30.1, I30.8, and I30.9.

Code Identity

ICD-10-CM Code
I30
Billable Status
No — Non-Billable Category
Code Describes
Acute pericarditis
Short Description
Acute pericarditis
Same as the full description in the CMS dataset.
Chapter
I30-I5A
Other forms of heart disease

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI30-I5AOther forms of heart disease
CategoryI30Acute pericarditis
This CodeI30Acute pericarditis

Specific Coding for Acute pericarditisOverview

Non-specific codes like I30 require more characters. Use one of these billable codes instead:

  • Use I30.0 for Acute nonspecific idiopathic pericarditis

  • Use I30.1 for Infective pericarditis

  • Use I30.8 for Other forms of acute pericarditis

  • Use I30.9 for Acute pericarditis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • acute mediastinopericarditis
  • acute myopericarditis
  • acute pericardial effusion
  • acute pleuropericarditis
  • acute pneumopericarditis

Type 1 Excludes

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

Clinical InformationClinical

  • Acute Pericarditis

    acute inflammation of the pericardium.

  • Acute Pericarditis Related to COVID-19|Acute pericarditis

    acute pericarditis in a patient with probable or confirmed acute covid-19.

Patient EducationClinical

Pericardial Disorders

The pericardium is a membrane, or sac, that surrounds your heart. It holds the heart in place and helps it work properly. Problems with the pericardium include:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About I30Overview

Is I30 (Acute pericarditis) a billable code?

No. This is a category header that groups the codes for acute pericarditis, and headers cannot be submitted on claims. Claims for acute pericarditis need a more specific code from this category, such as I30.0, I30.1, and I30.8.