I31.1

I31.1: Chronic constrictive pericarditis

Billable / specific codeICD-10-CM

I31.1 is a billable, specific ICD-10-CM code for chronic constrictive pericarditis. It is valid for submission on a claim.

Check I31.1 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Concretio cordis
Pericardial calcification

Excludes1 inherited from the categories above I31.1

A category’s note binds every code beneath it.

Written on I31: Other diseases of pericardium

diseases of pericardium specified as rheumatic (I09.2)
postcardiotomy syndrome (I97.0)
traumatic injury to pericardium (S26.-)

Other codes that can never be billed with I31.1

Their own Excludes1 notes name this code, so the conflict is not listed above.

I09.2Chronic rheumatic pericarditis

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

I31.1 is named in 17 Medicare coverage policies: 17 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
A56425Billing and Coding: B-type Natriuretic Peptide (BNP) Testing
A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography

Alphabetic index entries that lead here

Concretio cordis
Gouley's syndrome(constrictive pericarditis)
Pseudocirrhosis, liver, pericardial
Calcification›pericardium
Concato's disease›nontubercular
Pericarditis›calcareous
Pericarditis›constrictive(chronic)
Polyserositis›due to pericarditis
Polyserositis›pericardial
Serositis, multiple›pericardial
Syndrome›Gouley's
Disease, diseased›Concato's›nontubercular

Code history

Unchanged in every release from FY2024 to FY2027.