Specific code 2006 ICD-9-CM Diagnosis Code 093.21
Syphilitic endocarditis of mitral valve
  • Short description: SYPHILITIC MITRAL VALVE.
  • ICD-9-CM 093.21 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 093.21 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 2006 version of ICD-9-CM 093.21.
  • More recent version(s) of ICD-9-CM 093.21: 2007 2008 2009 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 093.21 converts approximately to:
  • 2015/16 ICD-10-CM A52.03 Syphilitic endocarditis
ICD-9-CM Volume 2 Index entries containing back-references to 093.21:
  • Disease, diseased - see also Syndrome
  • Endocarditis (chronic) (indeterminate) (interstitial) (marantis) (nonbacterial thrombotic) (residual) (sclerotic) (sclerous) (senile) (valvular) 424.90
    • 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
  • 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
  • Syphilis, syphilitic (acquired) 097.9
    • mitral stenosis 093.21
  • Valvulitis (chronic) (see also Endocarditis) 424.90
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 093.21 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 2006 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.