Convert to ICD-10-CM: 
424.3 converts approximately to:
- 2015/16 ICD-10-CM I37.0 Nonrheumatic pulmonary valve stenosisOr: 
- 2015/16 ICD-10-CM I37.8 Other nonrheumatic pulmonary valve disorders
 ICD-9-CM Volume 2 Index entries containing back-references to 
424.3:
- Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (ruptured) (saccular) (varicose) 442.9  pulmonary 417.1 pulmonary 417.1   arteriovenous 747.3 arteriovenous 747.3 
  syphilitic 093.89 syphilitic 093.89 
  valve (heart) (see also Endocarditis, pulmonary) 424.3 valve (heart) (see also Endocarditis, pulmonary) 424.3
 
 
- Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9  heart (disease) - see also Arteriosclerosis, coronary heart (disease) - see also Arteriosclerosis, coronary
 
- Atheroma, atheromatous (see also Arteriosclerosis) 440.9  pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3 pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3
 
- Degeneration, degenerative pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3 pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3
 
- Disease, diseased - see also Syndrome pulmonary - see also Disease, lung pulmonary - see also Disease, lung  amyloid 277.39 amyloid 277.39 [517.8 [517.8 ] ]
  artery 417.9 artery 417.9 
  circulation, circulatory 417.9 circulation, circulatory 417.9 
  diffuse obstructive (chronic) 496 diffuse obstructive (chronic) 496    with with    acute bronchitis 491.22 acute bronchitis 491.22 
    asthma (chronic) (obstructive) 493.2 asthma (chronic) (obstructive) 493.2 
    exacerbation NEC (acute) 491.21 exacerbation NEC (acute) 491.21 
 
 
  heart (chronic) 416.9 heart (chronic) 416.9 
  hypertensive (vascular) 416.0 hypertensive (vascular) 416.0 
  obstructive diffuse (chronic) 496 obstructive diffuse (chronic) 496 
  valve (see also Endocarditis, pulmonary) 424.3 valve (see also Endocarditis, pulmonary) 424.3
 
 
- Endocarditis (chronic) (indeterminate) (interstitial) (marantis) (nonbacterial thrombotic) (residual) (sclerotic) (sclerous) (senile) (valvular) 424.90  pulmonary (chronic) (heart) (valve) 424.3 pulmonary (chronic) (heart) (valve) 424.3  with with   rheumatic fever (conditions classifiable to 390 rheumatic fever (conditions classifiable to 390 ) )    active - see Endocarditis, acute, rheumatic active - see Endocarditis, acute, rheumatic
    inactive or quiescent (with chorea) 397.1 inactive or quiescent (with chorea) 397.1 
 
 
  acute or subacute 421.9 acute or subacute 421.9    rheumatic 391.1 rheumatic 391.1     with chorea (acute) (rheumatic) (Sydenham's) 392.0 with chorea (acute) (rheumatic) (Sydenham's) 392.0 
 
 
  arteriosclerotic or due to arteriosclerosis 424.3 arteriosclerotic or due to arteriosclerosis 424.3
  congenital 746.09 congenital 746.09 
  hypertensive or due to hypertension (benign) 424.3 hypertensive or due to hypertension (benign) 424.3
  rheumatic (chronic) (inactive) (with chorea) 397.1 rheumatic (chronic) (inactive) (with chorea) 397.1    active or acute 391.1 active or acute 391.1     with chorea (acute) (rheumatic) (Sydenham's) 392.0 with chorea (acute) (rheumatic) (Sydenham's) 392.0 
 
 
  syphilitic 093.24 syphilitic 093.24 
 
 
- Graham Steell's murmur (pulmonic regurgitation) (see also Endocarditis, pulmonary) 424.3
- Incompetency, incompetence, incompetent annular annular  aortic (valve) (see also Insufficiency, aortic) 424.1 aortic (valve) (see also Insufficiency, aortic) 424.1 
  mitral (valve) - (see also Insufficiency, mitral) 424.0 mitral (valve) - (see also Insufficiency, mitral) 424.0 
  pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3 pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3
 
  pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3 pulmonary valve (heart) (see also Endocarditis, pulmonary) 424.3
 
- Insufficiency, insufficient pulmonary (acute) 518.82 pulmonary (acute) 518.82   following following
  newborn 770.89 newborn 770.89 
  valve (see also Endocarditis, pulmonary) 424.3 valve (see also Endocarditis, pulmonary) 424.3
 
 
- Lesion(s) pulmonary 518.89 pulmonary 518.89   valve (see also Endocarditis, pulmonary) 424.3 valve (see also Endocarditis, pulmonary) 424.3
 
 
- Murmur (cardiac) (heart) (nonorganic) (organic) 785.2  Graham Steell (pulmonic regurgitation) (see also Endocarditis, pulmonary) 424.3 Graham Steell (pulmonic regurgitation) (see also Endocarditis, pulmonary) 424.3
  pulmonic (valve) (see also Endocarditis, pulmonary) 424.3 pulmonic (valve) (see also Endocarditis, pulmonary) 424.3
 
- Obstruction, obstructed, obstructive pulmonary pulmonary  valve (heart) (see also Endocarditis, pulmonary) 424.3 valve (heart) (see also Endocarditis, pulmonary) 424.3
  vein, isolated 747.49 vein, isolated 747.49 
 
 
- Regurgitation pulmonary (heart) (valve) (see also Endocarditis, pulmonary) 424.3 pulmonary (heart) (valve) (see also Endocarditis, pulmonary) 424.3
 
- Rupture, ruptured 553.9  pulmonary pulmonary  artery 417.8 artery 417.8 
  valve (heart) (see also Endocarditis, pulmonary) 424.3 valve (heart) (see also Endocarditis, pulmonary) 424.3
  vein 417.8 vein 417.8 
  vessel 417.8 vessel 417.8 
 
 
- Sclerosis, sclerotic pulmonary (see also Fibrosis, lung) 515 pulmonary (see also Fibrosis, lung) 515   artery 416.0 artery 416.0 
  valve (heart) (see also Endocarditis, pulmonary) 424.3 valve (heart) (see also Endocarditis, pulmonary) 424.3
 
 
- Stenosis (cicatricial) - see also Stricture pulmonary (artery) (congenital) 747.3 pulmonary (artery) (congenital) 747.3   with ventricular septal defect, dextraposition of aorta and hypertrophy of right ventricle 745.2 with ventricular septal defect, dextraposition of aorta and hypertrophy of right ventricle 745.2 
  acquired 417.8 acquired 417.8 
  infundibular 746.83 infundibular 746.83 
  in tetralogy of Fallot 745.2 in tetralogy of Fallot 745.2 
  subvalvular 746.83 subvalvular 746.83 
  valve (see also Endocarditis, pulmonary) 424.3 valve (see also Endocarditis, pulmonary) 424.3
  vein 747.49 vein 747.49 
  vessel NEC 417.8 vessel NEC 417.8 
 
 
- Stricture (see also Stenosis) 799.89  pulmonary, pulmonic pulmonary, pulmonic  artery (congenital) 747.3 artery (congenital) 747.3 
  infundibulum (congenital) 746.83 infundibulum (congenital) 746.83 
  valve (see also Endocarditis, pulmonary) 424.3 valve (see also Endocarditis, pulmonary) 424.3
  vein (congenital) 747.49 vein (congenital) 747.49 
  vessel NEC 417.8 vessel NEC 417.8