1. I30 Acute pericarditis

    1. I30.0 Acute nonspecific idiopathic pericarditis

    2. I30.1 Infective pericarditis

      Inclusion term(s):

      • Pneumococcal pericarditis
      • Pneumopyopericardium
      • Purulent pericarditis
      • Pyopericarditis
      • Pyopericardium
      • Pyopneumopericardium
      • Staphylococcal pericarditis
      • Streptococcal pericarditis
      • Suppurative pericarditis
      • Viral pericarditis
    3. I30.8 Other forms of acute pericarditis

    4. I30.9 Acute pericarditis, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.