Specific code 2010 ICD-9-CM Diagnosis Code 420.0
Acute pericarditis in diseases classified elsewhere
  • Short description: Ac pericardit in oth dis.
  • ICD-9-CM 420.0 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 420.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2010 version of ICD-9-CM 420.0.
  • More recent version(s) of ICD-9-CM 420.0: 2011 2012 2013 2014.
Disease Synonyms
  • Acute pericarditis - uremic
  • Acute pericarditis associated with another disorder
  • Acute tuberculous pericarditis
  • Mycotic pericarditis
  • Parasitic pericarditis
  • Pericarditis associated with atrial septal defect
  • Pericarditis associated with infectious mononucleosis
  • Pericarditis associated with severe chronic anemia
  • Pericarditis due to systemic lupus erythematosis
  • Pericarditis secondary to aortic aneurysm
  • Pericarditis secondary to aortic aneurysm with leakage into pericardial sac
  • Pericarditis secondary to benign primary tumor
  • Pericarditis secondary to collagen vascular disease
  • Pericarditis secondary to malignant primary tumor
  • Pericarditis secondary to myxedema
  • Pericarditis secondary to penetrating trauma
  • Pericarditis secondary to uremia
  • Q fever pericarditis
  • SLE (systemic lupus erythematosus) with pericarditis
  • SLE w pericarditis
420.0 Excludes
Code First
  • Code first underlying disease, as:
Convert to ICD-10-CM: 420.0 converts approximately to:
  • 2014 ICD-10-CM I32 Pericarditis in diseases classified elsewhere
ICD-9-CM Volume 2 Index entries containing back-references to 420.0:
  • Adhesion(s), adhesive (postinfectional) (postoperative)
    • pericardium (nonrheumatic) 423.1
      • rheumatic 393
      • tuberculous (see also Tuberculosis) 017.9 [420.0]
  • Pericarditis (granular) (with decompensation) (with effusion) 423.9
    • actinomycotic 039.8 [420.0]
    • due to
      • actinomycosis 039.8 [420.0]
      • amebiasis 006.8 [420.0]
      • Coxsackie (virus) 074.21
      • histoplasmosis (see also Histoplasmosis) 115.93
      • nocardiosis 039.8 [420.0]
      • tuberculosis (see also Tuberculosis) 017.9 [420.0]
    • fibrinocaseous (see also Tuberculosis) 017.9 [420.0]
    • tuberculous (acute) (chronic) (see also Tuberculosis) 017.9 [420.0]
  • Tuberculosis, tubercular, tuberculous (calcification) (calcified) (caseous) (chromogenic acid-fast bacilli) (congenital) (degeneration) (disease) (fibrocaseous) (fistula) (gangrene) (interstitial) (isolated circumscribed lesions) (necrosis) (parenchymatous) (ulcerative) 011.9
    • adherent pericardium 017.9 [420.0]
    • mediastinopericarditis 017.9 [420.0]
    • pericarditis 017.9 [420.0]
    • pericardium 017.9 [420.0]
  • Uremia, uremic (absorption) (amaurosis) (amblyopia) (aphasia) (apoplexy) (coma) (delirium) (dementia) (dropsy) (dyspnea) (fever) (intoxication) (mania) (paralysis) (poisoning) (toxemia) (vomiting) 586
    • pericarditis 585.9 [420.0]
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 420.0 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.