I31 Other diseases of pericardium

Category / Non-billable header 9 subcodes

Block: Other forms of heart disease (I30-I5A)

Excludes 1 (cannot be coded together)

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

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I31..0 Chronic adhesive pericarditis Yes
I31..1 Chronic constrictive pericarditis Yes
I31..2 Hemopericardium, not elsewhere classified Yes
I31..3 Pericardial effusion (noninflammatory) No
I31..31 Malignant pericardial effusion in diseases classified elsewhere Yes
I31..39 Other pericardial effusion (noninflammatory) Yes
I31..4 Cardiac tamponade Yes
I31..8 Other specified diseases of pericardium Yes
I31..9 Disease of pericardium, unspecified Yes

Last reviewed: September 2026