420.0 Acute pericarditis in diseases classified elsewhere
Code first underlying disease, as:
actinomycosis (039.8)
amebiasis (006.8)
chronic uremia (585.9)
nocardiosis (039.8)
tuberculosis (017.9)
uremia NOS (586)
Excludes:
pericarditis (acute) (in):
Coxsackie (virus) (074.21)
gonococcal (098.83)
histoplasmosis (115.0-115.9 with fifth-digit 3)
meningococcal infection (036.41)
syphilitic (093.81)