Specific code 2010 ICD-9-CM Diagnosis Code 397.9
Rheumatic diseases of endocardium valve unspecified
  • Short description: Rheum endocarditis NOS.
  • ICD-9-CM 397.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 397.9 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 2010 version of ICD-9-CM 397.9.
  • More recent version(s) of ICD-9-CM 397.9: 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 397.9 converts approximately to:
  • 2015/16 ICD-10-CM I09.1 Rheumatic diseases of endocardium, valve unspecified
Approximate Synonyms
  • Chronic rheumatic valvulitis
  • Chronic rheumatic valvulitis (heart valve condition)
  • Endocarditis, rheumatic
  • Rheumatic endocarditis
  • Rheumatic endocarditis (infection of heart valve)
  • Rheumatic valvulitis, chronic (heart valve condition)
  • Valvulitis, rheumatic, chronic
397.9 Excludes
Applies To
  • Rheumatic:
    • endocarditis (chronic)
    • valvulitis (chronic)
ICD-9-CM Volume 2 Index entries containing back-references to 397.9:
  • 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
    • rheumatic (chronic) (inactive) (with chorea) 397.9
      • active or acute (aortic) (mitral) (pulmonary) (tricuspid) 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
  • Fever 780.60
    • rheumatic (active) (acute) (chronic) (subacute) 390
  • 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 397.9 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.