2025 ICD-10-CM Diagnosis Code I30.1

Infective pericarditis

• I30.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2025 edition of ICD-10-CM I30.1 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I30.1 – other international versions of ICD-10 I30.1 may differ.

Applicable To

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

Use Additional

• code (B95-B97 ) to identify infectious agent

The following code(s) above I30.1 contain annotation back-references

 that may be applicable to I30.1:

• I00-I99  Diseases of the circulatory system
• I30  Acute pericarditis

Approximate Synonyms

• Pneumopyopericardium
• Viral pericarditis

ICD-10-CM I30.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 314 Other circulatory system diagnoses with mcc
• 315 Other circulatory system diagnoses with cc
• 316 Other circulatory system diagnoses without cc/mcc

Convert I30.1 to ICD-9-CMCode History

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change
• 2020 (effective 10/1/2019): No change
• 2021 (effective 10/1/2020): No change
• 2022 (effective 10/1/2021): No change
• 2023 (effective 10/1/2022): No change
• 2024 (effective 10/1/2023): No change
• 2025 (effective 10/1/2024): No change

Diagnosis Index entries containing back-references to I30.1:

• Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) L02.91
  • pericardial I30.1
• Pericarditis (with decompensation) (with effusion) I31.9
  • bacterial I30.1 (acute) (subacute) (with serous or seropurulent effusion)
  • fibrinopurulent I30.1
  • infective I30.1
  • pneumococcal I30.1
  • purulent I30.1
  • septic I30.1
  • staphylococcal I30.1
  • streptococcal I30.1
  • suppurative I30.1
  • viral I30.1
• Pneumopyopericardium I30.1
• Pyopericarditis, pyopericardium I30.1
• Pyopneumopericardium I30.1