ICD-10 Diagnosis Code I34.1

Nonrheumatic mitral (valve) prolapse

Diagnosis Code I34.1

ICD-10: I34.1
Short Description: Nonrheumatic mitral (valve) prolapse
Long Description: Nonrheumatic mitral (valve) prolapse
This is the 2018 version of the ICD-10-CM diagnosis code I34.1

Valid for Submission
The code I34.1 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the circulatory system (I00–I99)
    • Other forms of heart disease (I30-I52)
      • Nonrheumatic mitral valve disorders (I34)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code I34.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG V35.0)


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.

  • Degenerative mitral valve prolapse
  • Familial mitral valve prolapse
  • J.B. Barlow's syndrome
  • Mitral cusp prolapse
  • Mitral valve anterior leaflet prolapse
  • Mitral valve prolapse
  • Non-rheumatic mitral valve prolapse
  • Rheumatic mitral valve prolapse

Index of Diseases and Injuries
References found for the code I34.1 in the Index of Diseases and Injuries:

Information for Patients

Mitral Valve Prolapse

Also called: Barlow's syndrome, Floppy valve syndrome, MVP

Mitral valve prolapse (MVP) occurs when one of your heart's valves doesn't work properly. The flaps of the valve are "floppy" and don't close tightly. Most people who have the condition are born with it. It also tends to run in families.

Most of the time, MVP doesn't cause any problems. Rarely, blood can leak the wrong way through the floppy valve. This can cause

  • Palpitations (feelings that your heart is skipping a beat, fluttering, or beating too hard or too fast)
  • Shortness of breath
  • Cough
  • Fatigue, dizziness, or anxiety
  • Migraine headaches
  • Chest discomfort

Most people who have mitral valve prolapse (MVP) don't need treatment because they don't have symptoms and complications. If you need treatment for MVP, medicines can help relieve symptoms or prevent complications. Very few people will need surgery to repair or replace the mitral valve.

MVP puts you at risk for infective endocarditis, a kind of heart infection. To prevent it, doctors used to prescribe antibiotics before dental work or certain surgeries. Now, only people at high risk of endocarditis need the antibiotics.

NIH: National Heart, Lung, and Blood Institute

  • Mitral valve prolapse (Medical Encyclopedia)
  • Mitral valve surgery - minimally invasive (Medical Encyclopedia)
  • Mitral valve surgery - open (Medical Encyclopedia)

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