Specific code 2014 ICD-9-CM Diagnosis Code 394.0
Mitral stenosis
  • Billable Code
  • ICD-9-CM 394.0 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 394.0 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Mitral stenosis, rheumatic
  • Mitral valve stenosis
  • Rheumatic mitral stenosis
  • Rheumatic mitral valve stenosis
Clinical Information
  • Narrowing of the left atrioventricular mitral orifice.
  • Rheumatic disease causing diffuse thickening of the mitral valve leaflets by fibrous tissue or calcific deposits.
Applies To
  • Mitral (valve):
    • obstruction (rheumatic)
    • stenosis NOS
Convert to ICD-10-CM: 394.0 converts directly to:
  • 2014 ICD-10-CM I05.0 Rheumatic mitral stenosis
ICD-9-CM Volume 2 Index entries containing back-references to 394.0:
  • 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
  • Stricture (see also Stenosis) 799.89
    • mitral (valve) (see also Stenosis, mitral) 394.0
      • congenital 746.5
      • specified cause, except rheumatic 424.0
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 394.0 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 2014 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.