420.99 ACUTE PERICARDITIS NEC


Code Information

Diagnosis Code: 420.99

Short Description: Acute pericarditis NEC

Long Description: Other acute pericarditis

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Other forms of heart disease (420-429)
      • 420 Acute pericarditis
        • 420.99 Acute pericarditis NEC

Code Version: 2015 ICD-9-CM


Synonyms

  • Acute bacterial pericarditis
  • Acute fibrinous pericarditis
  • Acute pneumococcal pericarditis
  • Acute purulent pericarditis
  • Acute staphylococcal pericarditis
  • Acute streptococcal pericarditis
  • Familial pericarditis
  • Hydralazine-induced pericarditis
  • Infective constrictive pericarditis
  • Pericarditis due to Genus Haemophilus
  • Pericarditis secondary to systemic lupus erythematosus
  • Pneumopericardium
  • Pneumopyopericardium
  • Postpericardiotomy pericarditis
  • Post-radiation pericarditis
  • Procainamide-induced pericarditis
  • Pyogenic pericarditis
  • Pyopericardium
  • Subacute pericarditis

References to Index of Diseases and Injuries

The code 420.99 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • pericardial 420.99
  • Pericarditis (granular) (with decompensation) (with effusion) 423.9
    • acute (nonrheumatic) 420.90
      • bacterial 420.99
    • bacterial (acute) (subacute) (with serous or seropurulent effusion) 420.99
    • fibrinopurulent 420.99
    • fibropurulent 420.99
    • pneumococcal (acute) 420.99
    • purulent (acute) 420.99
    • septic (acute) 420.99
    • staphylococcal (acute) 420.99
    • streptococcal (acute) 420.99
    • suppurative (acute) 420.99
  • Pneumopyopericardium 420.99
  • Pyopericarditis 420.99
  • Pyopericardium 420.99
  • Pyopneumopericardium 420.99

Crosswalk Information

The code 420.99 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
420.99 Right Arrow I30.8 Other forms of acute pericarditis
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
420.0 Acute pericarditis in diseases classified elsewhere
420.90 Acute pericarditis, unspecified
420.91 Acute idiopathic pericarditis


This page was last updated on: 10/1/2014