Diagnosis Code: 420.90

Short Description: Acute pericarditis NOS

Long Description: Acute pericarditis, unspecified

Code Classification:

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

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 420.90 has the following ICD-9-CM references to the Index of Diseases and Injuries

• Chylopericardium (acute) 420.90

• Effusion
  • pericardium, pericardial (see also Pericarditis) 423.9
    • acute 420.90

• Mediastinopericarditis (see also Pericarditis) 423.9
  • acute 420.90

• Pericarditis (granular) (with decompensation) (with effusion) 423.9
  • acute (nonrheumatic) 420.90
    • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • bacterial 420.99
    • benign 420.91
    • hemorrhagic 420.90
    • idiopathic 420.91
    • infective 420.90
    • nonspecific 420.91
    • rheumatic 391.0
      • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • sicca 420.90
    • viral 420.91
  • cholesterol (chronic) 423.8
    • acute 420.90
  • infective (acute) 420.90
  • neoplastic (chronic) 423.8
    • acute 420.90

• Pleuropericarditis (see also Pericarditis) 423.9
  • acute 420.90

• Pneumopericarditis (see also Pericarditis) 423.9
  • acute 420.90

Crosswalk Information

The code 420.90 converts into the following ICD-10 code(s):

Similar Codes

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

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