OTHER FORMS OF HEART DISEASE (420-429)
429 Ill-defined descriptions and complications of heart disease
429.0: Myocarditis, unspecified
Myocarditis (with mention of arteriosclerosis):
NOS (with mention of arteriosclerosis)
chronic (interstitial) (with mention of arteriosclerosis)
fibroid (with mention of arteriosclerosis)
senile (with mention of arteriosclerosis)
Use additional code to identify presence of arteriosclerosis
Excludes:
acute or subacute (422.0-422.9)
rheumatic (398.0)
acute (391.2)
that due to hypertension (402.0-402.9)
429.1: Myocardial degeneration
Degeneration of heart or myocardium (with mention of arteriosclerosis):
fatty (with mention of arteriosclerosis)
mural (with mention of arteriosclerosis)
muscular (with mention of arteriosclerosis)
Myocardial (with mention of arteriosclerosis):
degeneration (with mention of arteriosclerosis)
disease (with mention of arteriosclerosis)
Use additional code to identify presence of arteriosclerosis
Excludes:
that due to hypertension (402.0-402.9)
429.2: Cardiovascular disease, unspecified
Arteriosclerotic cardiovascular disease [ASCVD]
Cardiovascular arteriosclerosis
Cardiovascular:
degeneration (with mention of arteriosclerosis)
disease (with mention of arteriosclerosis)
sclerosis (with mention of arteriosclerosis)
Use additional code to identify presence of arteriosclerosis
Excludes:
that due to hypertension (402.0-402.9)
429.3: Cardiomegaly
Cardiac:
dilatation
hypertrophy
Ventricular dilatation
Excludes:
that due to hypertension (402.0-402.9)
429.4: Functional disturbances following cardiac surgery
Cardiac insufficiency following cardiac surgery or due to prosthesis
Heart failure following cardiac surgery or due to prosthesis
Postcardiotomy syndrome
Postvalvulotomy syndrome
Excludes:
cardiac failure in the immediate postoperative period (997.1)
429.5: Rupture of chordae tendineae
429.6: Rupture of papillary muscle
429.7: Certain sequelae of myocardial infarction, not elsewhere classified
Use additional code to identify the associated myocardial infarction:
with onset of 8 weeks or less (410.00-410.92)
with onset of more than 8 weeks (414.8)
Excludes:
congenital defects of heart (745, 746)
coronary aneurysm (414.11)
disorders of papillary muscle (429.6, 429.81)
postmyocardial infarction syndrome (411.0)
rupture of chordae tendineae (429.5)
429.8: Other ill-defined heart diseases
429.9: Heart disease, unspecified
Heart disease (organic) NOS
Morbus cordis NOS
Excludes:
that due to hypertension (402.0-402.9)

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