Specific code 2007 ICD-9-CM Diagnosis Code 391.1
Acute rheumatic endocarditis
  • Short description: ACUTE RHEUMATIC ENDOCARD.
  • ICD-9-CM 391.1 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 391.1 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 2007 version of ICD-9-CM 391.1.
  • More recent version(s) of ICD-9-CM 391.1: 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 391.1 converts directly to:
  • 2015/16 ICD-10-CM I01.1 Acute rheumatic endocarditis
Approximate Synonyms
  • Acute rheumatic endocarditis (infected heart valve)
  • Endocarditis, rheumatic, acute
Applies To
  • Rheumatic:
    • endocarditis, acute
    • fever (active) (acute) with endocarditis or valvulitis
    • valvulitis acute
    • Any condition classifiable to 390 with endocarditis or valvulitis
ICD-9-CM Volume 2 Index entries containing back-references to 391.1:
  • Aortitis (nonsyphilitic) 447.6
    • rheumatic (see also Endocarditis, acute, rheumatic) 391.1
  • Endocarditis (chronic) (indeterminate) (interstitial) (marantis) (nonbacterial thrombotic) (residual) (sclerotic) (sclerous) (senile) (valvular) 424.90
    • 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
    • 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
    • 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
    • rheumatic (chronic) (inactive) (with chorea) 397.9
      • active or acute (aortic) (mitral) (pulmonary) (tricuspid) 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
    • 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
  • Fever 780.6
    • rheumatic (active) (acute) (chronic) (subacute) 390
      • with heart involvement 391.9
        • carditis 391.9
        • endocarditis (aortic) (mitral) (pulmonary) (tricuspid) 391.1
        • multiple sites 391.8
        • myocarditis 391.2
        • pancarditis, acute 391.8
        • pericarditis 391.0
        • specified type NEC 391.8
        • valvulitis 391.1
      • inactive or quiescent with
  • Insufficiency, insufficient
    • mitral (valve) 424.0
      • with
        • aortic (valve) disease 396.3
          • insufficiency, incompetence, or regurgitation 396.3
          • stenosis or obstruction 396.2
        • obstruction or stenosis 394.2
          • with aortic valve disease 396.8
      • congenital 746.6
      • rheumatic 394.1
        • with
          • aortic (valve) disease 396.3
            • insufficiency, incompetence, or regurgitation 396.3
            • stenosis or obstruction 396.2
          • obstruction or stenosis 394.2
            • with aortic valve disease 396.8
        • active or acute 391.1
          • with chorea, rheumatic (Sydenham's) 392.0
      • specified cause, except rheumatic 424.0
  • Stenosis (cicatricial) - see also Stricture
    • mitral (valve) (chronic) (inactive) 394.0
      • with
        • aortic (valve)
          • disease (insufficiency) 396.1
          • insufficiency or incompetence 396.1
          • stenosis or obstruction 396.0
        • incompetency, insufficiency or regurgitation 394.2
          • with aortic valve disease 396.8
      • active or acute 391.1
        • with chorea (acute) (rheumatic) (Sydenham's) 392.0
      • congenital 746.5
      • specified cause, except rheumatic 424.0
      • syphilitic 093.21
  • 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 391.1 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 2007 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.