Specific code 2009 ICD-9-CM Diagnosis Code 429.0
Myocarditis unspecified
  • Short description: MYOCARDITIS NOS.
  • ICD-9-CM 429.0 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 429.0 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2009 version of ICD-9-CM 429.0.
  • More recent version(s) of ICD-9-CM 429.0: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 429.0 converts directly to:
  • 2015/16 ICD-10-CM I51.4 Myocarditis, unspecified
Approximate Synonyms
  • Chronic myocarditis
  • Myocarditis
  • Myocarditis (heart muscle inflammation), chronic
  • Myocarditis, chronic
429.0 Excludes
Applies To
  • 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
  • Use additional code to identify presence of arteriosclerosis
ICD-9-CM Volume 2 Index entries containing back-references to 429.0:
  • Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9
    • myocarditis 429.0
  • Disease, diseased - see also Syndrome
    • heart (organic) 429.9
      • with
        • acute pulmonary edema (see also Failure, ventricular, left) 428.1
          • hypertensive 402.91
          • kidney disease - see Hypertension, cardiorenal
          • rheumatic fever (conditions classifiable to 390)
      • amyloid 277.39[425.7]
      • aortic (valve) (see also Endocarditis, aortic) 424.1
      • arteriosclerotic or sclerotic (minimal) (senile) - see Arteriosclerosis, coronary
      • artery, arterial - see Arteriosclerosis, coronary
      • atherosclerotic - see Arteriosclerosis, coronary
      • beer drinkers' 425.5
      • beriberi 265.0 [425.7]
      • black 416.0
      • congenital NEC 746.9
        • cyanotic 746.9
        • maternal, affecting fetus or newborn 760.3
        • specified type NEC 746.89
      • congestive (see also Failure, heart) 428.0
      • coronary 414.9
      • cryptogenic 429.9
      • due to
      • fetal 746.9
      • fibroid (see also Myocarditis) 429.0
      • functional 427.9
      • glycogen storage 271.0 [425.7]
      • gonococcal NEC 098.85
      • gouty 274.82
      • hypertensive (see also Hypertension, heart) 402.90
      • hyperthyroid (see also Hyperthyroidism) 242.9 [425.7]
      • incompletely diagnosed - see Disease, heart
      • ischemic (chronic) (see also Ischemia, heart) 414.9
        • acute (see also Infarct, myocardium) 410.9
          • without myocardial infarction 411.89
            • with coronary (artery) occlusion 411.81
        • asymptomatic 412
        • diagnosed on ECG or other special investigation but currently presenting no symptoms 412
      • kyphoscoliotic 416.1
      • mitral (see also Endocarditis, mitral) 394.9
      • muscular (see also Degeneration, myocardial) 429.1
      • postpartum 674.8
      • psychogenic (functional) 306.2
      • pulmonary (chronic) 416.9
      • rheumatic (chronic) (inactive) (old) (quiescent) (with chorea) 398.90
        • active or acute 391.9
          • with chorea (active) (rheumatic) (Sydenham's) 392.0
          • specified type NEC 391.8
        • maternal, affecting fetus or newborn 760.3
      • rheumatoid - see Arthritis, rheumatoid
      • sclerotic - see Arteriosclerosis, coronary
      • senile (see also Myocarditis) 429.0
      • specified type NEC 429.89
      • syphilitic 093.89
      • thyroid (gland) (see also Hyperthyroidism) 242.9 [425.7]
      • thyrotoxic (see also Thyrotoxicosis) 242.9 [425.7]
      • tuberculous (see also Tuberculosis) 017.9 [425.8]
      • valve, valvular (obstructive) (regurgitant) - see also Endocarditis
        • congenital NEC (see also Anomaly, heart, valve) 746.9
      • vascular - see Disease, cardiovascular
  • Fibroid (tumor) (M8890/0) - see also Neoplasm, connective tissue, benign
    • heart (disease) (see also Myocarditis) 429.0
  • Fibrosis, fibrotic
    • cardiac (see also Myocarditis) 429.0
    • heart (see also Myocarditis) 429.0
    • myocardium, myocardial (see also Myocarditis) 429.0
  • Inflammation, inflamed, inflammatory (with exudation)
    • myocardium (see also Myocarditis) 429.0
  • Myocarditis (fibroid) (interstitial) (old) (progressive) (senile) (with arteriosclerosis) 429.0
    • with
      • rheumatic fever (conditions classifiable to 390) 398.0
        • active (see also Myocarditis, acute, rheumatic) 391.2
        • inactive or quiescent (with chorea) 398.0
    • active (nonrheumatic) 422.90
      • rheumatic 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • acute or subacute (interstitial) 422.90
      • due to Streptococcus (beta-hemolytic) 391.2
      • idiopathic 422.91
      • rheumatic 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • specified type NEC 422.99
    • chronic (interstitial) 429.0
    • Fiedler's (acute) (isolated) (subacute) 422.91
    • giant cell (acute) (subacute) 422.91
    • granulomatous (idiopathic) (isolated) (nonspecific) 422.91
    • hypertensive (see also Hypertension, heart) 402.90
    • isolated (diffuse) (granulomatous) 422.91
    • pneumococcal (acute) (subacute) 422.92
    • rheumatic (chronic) (inactive) (with chorea) 398.0
      • active or acute 391.2
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • specific (giant cell) (productive) 422.91
    • staphylococcal (acute) (subacute) 422.92
    • toxic 422.93
      • rheumatic (see also Myocarditis, acute rheumatic) 391.2
    • valvular - see Endocarditis
  • Myofibrosis 728.2
    • heart (see also Myocarditis) 429.0
  • Scarlatina 034.1
    • myocarditis, acute 034.1 [422.0]
      • old (see also Myocarditis) 429.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 429.0 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.