ICD-10 Diagnosis Code I34.2

Nonrheumatic mitral (valve) stenosis

Diagnosis Code I34.2

ICD-10: I34.2
Short Description: Nonrheumatic mitral (valve) stenosis
Long Description: Nonrheumatic mitral (valve) stenosis
This is the 2017 version of the ICD-10-CM diagnosis code I34.2

Code Classification
  • Diseases of the circulatory system
    • Other forms of heart disease (I30-I52)
      • Nonrheumatic mitral valve disorders (I34)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code I34.2 is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)


Convert to ICD-9 Additional informationCallout TooltipGeneral Equivalence Map
The ICD-10 and ICD-9 GEMs are used to facilitate linking between the diagnosis codes in ICD-9-CM and the new ICD-10-CM code set. The GEMs are the raw material from which providers, health information vendors and payers can derive specific applied mappings to meet their needs.

  • Disorder of mitral valve prosthesis
  • Mitral stenosis with insufficiency
  • Non-rheumatic mitral regurgitation
  • Non-rheumatic mitral valve disease
  • Non-rheumatic mitral valve disease
  • Non-rheumatic mitral valve stenosis
  • Non-rheumatic mitral valve stenosis with regurgitation
  • Obstruction of mitral valve due to neoplasm
  • Postprocedural mitral valve stenosis
  • Prosthetic mitral valve stenosis

Information for Patients

Heart Valve Diseases

Also called: Valvular heart disease

Your heart has four valves. Normally, these valves open to let blood flow through or out of your heart, and then shut to keep it from flowing backward. But sometimes they don't work properly. If they don't, you could have

  • Regurgitation - when blood leaks back through the valve in the wrong direction
  • Mitral valve prolapse - when one of the valves, the mitral valve, has "floppy" flaps and doesn't close tightly. It's one of the most common heart valve conditions. Sometimes it causes regurgitation.
  • Stenosis - when the valve doesn't open enough and blocks blood flow

Valve problems can be present at birth or caused by infections, heart attacks, or heart disease or damage. The main sign of heart valve disease is an unusual heartbeat sound called a heart murmur. Your doctor can hear a heart murmur with a stethoscope. But many people have heart murmurs without having a problem. Heart tests can show if you have a heart valve disease. Some valve problems are minor and do not need treatment. Others might require medicine, medical procedures, or surgery to repair or replace the valve.

NIH: National Heart, Lung, and Blood Institute

  • Aortic insufficiency
  • Aortic stenosis
  • Aortic valve surgery - minimally invasive
  • Aortic valve surgery - open
  • Bicuspid aortic valve
  • Heart murmurs and other sounds
  • Heart valve surgery
  • Tricuspid regurgitation

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