Question 1

What is ICD-10 code I32?

Accepted Answer

I32 is the ICD-10-CM diagnosis code for pericarditis in diseases classified elsewhere. Inflammation of the heart's outer lining that occurs as a complication of another disease or condition documented in the medical record. I32 sits in the ICD-10-CM chapter for diseases of the circulatory system (i00-i99), within the section covering other forms of heart disease (i30-i5a).

I32 is a billable ICD-10-CM code, but the current payload does not show a mapping under the CMS-HCC V28, V24, ESRD, or RxHCC models. Do not assign risk adjustment value from this page when no source-backed mapping is shown; verify the applicable model and payment year.

This code requires a secondary diagnosis code for the underlying disease causing the pericarditis.

Question 2

Is I32 an HCC code?

Accepted Answer

I32 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

Question 3

Is I32 billable?

Accepted Answer

Yes. I32 is a billable ICD-10-CM code that can be reported on professional and institutional claims as a primary or secondary diagnosis when the provider documentation supports the specific condition described. Billable codes in ICD-10-CM are coded to the highest level of specificity available for the documented diagnosis. I32 is current for fiscal year 2026 and remains in the active CMS ICD-10-CM code set published by the National Center for Health Statistics.

Question 4

Which HCC does I32 map to under V28?

Accepted Answer

I32 has no payable CMS-HCC V28 mapping in the final FY2026 CMS file.

Question 5

What RAF reference is published for I32?

Accepted Answer

I32 has no V28 reference coefficient because the final FY2026 source verifies no payable V28 mapping.

Question 6

What is the V28 vs V24 difference for I32?

Accepted Answer

I32 has verified no payable V28 mapping in the final FY2026 source. Select a historical effective period before making any V24 comparison.

Question 7

What documentation supports I32?

Accepted Answer

This code requires a secondary diagnosis code for the underlying disease causing the pericarditis Always sequence the underlying disease first, followed by I32 as the manifestation I32 is not a CMS-HCC V28 payment code in the verified current source, so MEAT is not the payment hook. Documentation still has to support the diagnosis if you report it.

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I32

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I32 ICD-10-CM Code: Pericarditis in diseases classified elsewhere

HCC Buddy Code Card

I32

Is I32 an HCC code?

Get the V28 mapping + MEAT cheat sheet

What This Code Means

Coding Tips

Excludes 1, Do NOT code together

Code First

Code Hierarchy

Work I32 in HCC Buddy