What is the ICD-10 code for acute idiopathic pericarditis?

The ICD-10 code for acute idiopathic pericarditis is I30.0. It is used when pericarditis is diagnosed without a specific underlying cause.

How do you code pericarditis with an infectious cause?

For pericarditis with an infectious cause, use I30.1 and include an additional code for the specific organism identified.

ICD-10 Coding for Pericarditis(I30.0, A18.84, I30.1)

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Learn about ICD-10 coding for pericarditis, including acute and infective types. Understand documentation requirements and avoid common coding pitfalls.

Also known as:

Inflammation of the pericardiumPericardial inflammation

Related ICD-10 Code Ranges

Complete code families applicable to Pericarditis

I00-I99Primary Range

Diseases of the circulatory system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
I30.0	Acute idiopathic pericarditis	Use when acute pericarditis is diagnosed without a specific underlying cause.	Widespread ST elevation on ECG Elevated CRP levels Absence of effusion or tamponade
I30.1	Infective pericarditis	Use when pericarditis is confirmed to be caused by an infection.	Positive PCR for specific organism Purulent fluid from pericardiocentesis

Primary ICD-10-CM Codes

Acute nonspecific idiopathic pericarditis

I30.0Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Chronic constrictive pericarditisI31.1

Acute pericarditis, unspecifiedI30.9

Documentation & Coding Risks

Avoid these common issues when documenting Pericarditis.

Failure to document chronicity of pericarditis.

Impact

Clinical: May lead to inappropriate treatment., Regulatory: Non-compliance with coding standards., Financial: Potential for incorrect billing.

Mitigation

Always specify acute vs. chronic in documentation., Review documentation for completeness.

Using unspecified codes when specific etiology is documented.

Impact

Reimbursement: May lead to incorrect DRG assignment., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of clinical data.

Mitigation

Query for specific cause and use the appropriate code.

Use of unspecified codes

Impact

High risk of audit if unspecified codes are used when specific codes are applicable.

Mitigation

Implement regular documentation audits and coder training.

Frequently Asked Questions

Primary Code

I30.0

Acute nonspecific idiopathic pericarditis

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