Specific code 2012 ICD-9-CM Diagnosis Code 424.90
Endocarditis, valve unspecified, unspecified cause
  • Short description: Endocarditis NOS.
  • ICD-9-CM 424.90 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 424.90 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2012 version of ICD-9-CM 424.90.
  • More recent version(s) of ICD-9-CM 424.90: 2013 2014.
Disease Synonyms
  • Chf (congestive heart failure) due to valvular disease
  • CHF due to valvular disease
  • Congestive heart failure due to valvular disease
  • Endocarditis
  • Heart valve disease
  • Heart valve disorder
  • Valvular heart disease
Applies To
  • Endocarditis (chronic):
    • NOS
    • nonbacterial thrombotic
  • Valvular:
    • incompetence of unspecified valve,unspecified cause
    • insufficiency of unspecified valve,unspecified cause
    • regurgitation of unspecified valve,unspecified cause
    • stenosis of unspecified valve,unspecified cause
  • Valvulitis (chronic)
Convert to ICD-10-CM: 424.90 converts approximately to:
  • 2014 ICD-10-CM I38 Endocarditis, valve unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 424.90:
  • Cyst (mucus) (retention) (serous) (simple)
    • blood, endocardial (see also Endocarditis) 424.90
  • Degeneration, degenerative
    • endocardial 424.90
  • Endocarditis (chronic) (indeterminate) (interstitial) (marantic) (nonbacterial thrombotic) (residual) (sclerotic) (sclerous) (senile) (valvular) 424.90
    • with
      • rheumatic fever (conditions classifiable to 390)
        • active - see Endocarditis, acute, rheumatic
        • inactive or quiescent (with chorea) 397.9
    • acute or subacute 421.9
      • rheumatic (aortic) (mitral) (pulmonary) (tricuspid) 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • aortic (heart) (nonrheumatic) (valve) 424.1
      • with
        • mitral (valve) disease 396.9
          • active or acute 391.1
            • with chorea (acute) (rheumatic) (Sydenham's) 392.0
            • bacterial 421.0
        • rheumatic fever (conditions classifiable to 390)
          • active - see Endocarditis, acute, rheumatic
          • inactive or quiescent (with chorea) 395.9
            • with mitral disease 396.9
      • acute or subacute 421.9
      • arteriosclerotic 424.1
      • congenital 746.89
      • hypertensive 424.1
      • rheumatic (chronic) (inactive) 395.9
        • with mitral (valve) disease 396.9
          • active or acute 391.1
            • with chorea (acute) (rheumatic) (Sydenham's) 392.0
        • active or acute 391.1
          • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • specified cause, except rheumatic 424.1
      • syphilitic 093.22
    • arteriosclerotic or due to arteriosclerosis 424.99
    • bacterial (acute) (any valve) (chronic) (subacute) 421.0
    • infectious or infective (acute) (any valve) (chronic) (subacute) 421.0
    • lenta (acute) (any valve) (chronic) (subacute) 421.0
    • Loeffler's (parietal fibroplastic) 421.0
    • malignant (acute) (any valve) (chronic) (subacute) 421.0
    • mitral (chronic) (double) (fibroid) (heart) (inactive) (valve) (with chorea) 394.9
      • with
        • aortic (valve) disease 396.9
          • active or acute 391.1
            • with chorea (acute) (rheumatic) (Sydenham's) 392.0
        • rheumatic fever (conditions classifiable to 390)
          • active - see Endocarditis, acute, rheumatic
          • inactive or quiescent (with chorea) 394.9
            • with aortic valve disease 396.9
      • active or acute 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
        • bacterial 421.0
      • arteriosclerotic 424.0
      • congenital 746.89
      • hypertensive 424.0
      • nonrheumatic 424.0
      • syphilitic 093.21
    • mycotic (acute) (any valve) (chronic) (subacute) 421.0
    • pneumococcic (acute) (any valve) (chronic) (subacute) 421.0
    • pulmonary (chronic) (heart) (valve) 424.3
      • with
        • rheumatic fever (conditions classifiable to 390)
          • active - see Endocarditis, acute, rheumatic
          • inactive or quiescent (with chorea) 397.1
      • acute or subacute 421.9
        • rheumatic 391.1
          • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • arteriosclerotic or due to arteriosclerosis 424.3
      • congenital 746.09
      • hypertensive or due to hypertension (benign) 424.3
      • rheumatic (chronic) (inactive) (with chorea) 397.1
        • active or acute 391.1
          • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • syphilitic 093.24
    • purulent (acute) (any valve) (chronic) (subacute) 421.0
    • rheumatic (chronic) (inactive) (with chorea) 397.9
      • active or acute (aortic) (mitral) (pulmonary) (tricuspid) 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • septic (acute) (any valve) (chronic) (subacute) 421.0
    • specified cause, except rheumatic 424.99
    • streptococcal (acute) (any valve) (chronic) (subacute) 421.0
    • subacute - see Endocarditis, acute
    • suppurative (any valve) (acute) (chronic) (subacute) 421.0
    • toxic (see also Endocarditis, acute) 421.9
    • tricuspid (chronic) (heart) (inactive) (rheumatic) (valve) (with chorea) 397.0
      • with
        • rheumatic fever (conditions classifiable to 390)
          • active - see Endocarditis, acute, rheumatic
          • inactive or quiescent (with chorea) 397.0
      • active or acute 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • arteriosclerotic 424.2
      • congenital 746.89
      • hypertensive 424.2
      • nonrheumatic 424.2
      • specified cause, except rheumatic 424.2
      • syphilitic 093.23
    • ulcerative (acute) (any valve) (chronic) (subacute) 421.0
    • vegetative (acute) (any valve) (chronic) (subacute) 421.0
  • Fibrosis, fibrotic
    • endocardium (see also Endocarditis) 424.90
    • valve, heart (see also Endocarditis) 424.90
  • Hypertrophy, hypertrophic
    • cardiac (chronic) (idiopathic) 429.3
      • with
        • rheumatic fever (conditions classifiable to 390)
      • congenital NEC 746.89
      • fatty (see also Degeneration, myocardial) 429.1
      • hypertensive (see also Hypertension, heart) 402.90
      • rheumatic (with chorea) 398.99
      • valve (see also Endocarditis) 424.90
  • Insufficiency, insufficient
    • heart - see also Insufficiency, myocardial
      • fetus or newborn 779.89
      • valve (see also Endocarditis) 424.90
    • valve, valvular (heart) (see also Endocarditis) 424.90
  • Obstruction, obstructed, obstructive
    • endocardium 424.90
      • arteriosclerotic 424.99
      • specified cause, except rheumatic 424.99
  • Periendocarditis (see also Endocarditis) 424.90
  • Pocket(s)
    • endocardial (see also Endocarditis) 424.90
  • Stenosis (cicatricial) - see also Stricture
    • valvular (see also Endocarditis) 424.90
  • Stricture (see also Stenosis) 799.89
    • valve (cardiac) (heart) (see also Endocarditis) 424.90
    • valvular (see also Endocarditis) 424.90
  • Tag (hypertrophied skin) (infected) 701.9
    • endocardial (see also Endocarditis) 424.90
  • Thrombosis, thrombotic (marantic) (multiple) (progressive) (vein) (vessel) 453.9
    • atrial (endocardial) 424.90
  • Valvulitis (chronic) (see also Endocarditis) 424.90
    • rheumatic (chronic) (inactive) (with chorea) 397.9
      • active or acute (aortic) (mitral) (pulmonary) (tricuspid) 391.1
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 424.90 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.