MCMCB Pro
I32

I32Pericarditis in diseases classified elsewhere

Billable / specific codeICD-10-CM

I32 is a billable, specific ICD-10-CM code for pericarditis in diseases classified elsewhere. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Code first

The underlying condition must be sequenced before this code.

  • underlying disease

Risk adjustment

I32 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

I32 is named in 18 Medicare coverage policies 18 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A55354Billing and Coding: Frequency of Hemodialysis
  • A55672Billing and Coding: Frequency of Hemodialysis
  • A55675Billing and Coding: Frequency of Hemodialysis

Questions about I32

Is I32 a billable ICD-10-CM code?
Yes. I32 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I32 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).
What cannot be coded together with I32?
I32 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.