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I31.2

I31.2: Hemopericardium, not elsewhere classified

Billable / specific codeICD-10-CM

I31.2 is a billable, specific ICD-10-CM code for hemopericardium, not elsewhere classified. It is valid for submission on a claim.

Check I31.2 with the rest of the claim: free scrubber

Excludes1: never code together

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

  • hemopericardium as current complication following acute myocardial infarction (I23.0)
  • malignant pericardial effusion (I31.31)

Excludes1 inherited from the categories above I31.2

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 I31.2

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

  • I09.2Chronic rheumatic pericarditis
  • I23.0Hemopericardium as current complication following acute myocardial infarction

Risk adjustment

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

Medicare coverage

I31.2 is named in 13 Medicare coverage policies: 13 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)
  • A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A56505Billing and Coding: Transesophageal Echocardiography (TEE)

Alphabetic index entries that lead here

  • Hemopericardium
  • Pneumohemopericardium
  • Hemorrhage, hemorrhagic›pericardium, pericarditis

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under I31

ICD-10-CMFY2027· effective October 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.