I30.1 Infective pericarditis

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

Applicable to

• Pneumococcal pericarditis
• Pneumopyopericardium
• Purulent pericarditis
• Pyopericarditis
• Pyopericardium
• Pyopneumopericardium
• Staphylococcal pericarditis
• Streptococcal pericarditis
• Suppurative pericarditis
• Viral pericarditis

Use additional code

• code (B95-B97) to identify infectious agent

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)

• 420.90 Acute pericarditis, unspecified (approximate)

Code annotations containing back-references to I30.1

Back-references to I30

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

Diagnosis Index entries for I30.1

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) › pericardial
• Pericarditis (with decompensation) (with effusion) › bacterial (acute) (subacute) (with serous or seropurulent effusion)
• Pericarditis (with decompensation) (with effusion) › fibrinopurulent
• Pericarditis (with decompensation) (with effusion) › infective
• Pericarditis (with decompensation) (with effusion) › pneumococcal
• Pericarditis (with decompensation) (with effusion) › purulent
• Pericarditis (with decompensation) (with effusion) › septic
• Pericarditis (with decompensation) (with effusion) › staphylococcal
• Pericarditis (with decompensation) (with effusion) › streptococcal
• Pericarditis (with decompensation) (with effusion) › suppurative
• Pericarditis (with decompensation) (with effusion) › viral
• Pneumopyopericardium
• Pyopericarditis, pyopericardium
• Pyopneumopericardium

Nearby codes

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