I30.8 Other forms of acute pericarditis

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applies from I30 Acute pericarditis

Includes

• acute mediastinopericarditis
• acute myopericarditis
• acute pericardial effusion
• acute pleuropericarditis
• acute pneumopericarditis

Excludes1 (never code together)

• Dressler's syndrome (I24.1)
• rheumatic pericarditis (acute) (I01.0)
• viral pericarditis due to Coxsackie virus (B33.23)

MS-DRG index

Defines the logic of DRG(s) 314-316 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 420.99 Other acute pericarditis (approximate)

Code annotations containing back-references to I30.8

Back-references to I30

• Type 1 Excludes: I01.0 Acute rheumatic pericarditis ("acute pericarditis not specified as rheumatic (I30.-)")

Diagnosis Index entries for I30.8

• Pericarditis (with decompensation) (with effusion) › acute (hemorrhagic) (nonrheumatic) (Sicca) › benign
• Pericarditis (with decompensation) (with effusion) › fibrinous
• Pericarditis (with decompensation) (with effusion) › serofibrinous

Nearby codes

• I30 Acute pericarditis
• I30.0 Acute nonspecific idiopathic pericarditis
• I30.1 Infective pericarditis
• I30.8 Other forms of acute pericarditis (this code)
• I30.9 Acute pericarditis, unspecified