I34.1
BillableNonrheumatic mitral (valve) prolapse
I34.1 is the ICD-10-CM code for Nonrheumatic mitral (valve) prolapse. It is a billable, specific code valid for reimbursement.
I00-I99 Diseases of the circulatory system
What this means — in plain language
MedlinePlus · NIHWhat is the mitral valve? The mitral valve is one of the four valves in your heart. Heart valves have flaps that open and close. The flaps make sure that blood flows in the right direction through your heart and to the rest of your body. When your heart beats, the flaps open to let blood through. Between heartbeats, they close to stop the blood from flowing backwards. The mitral valve opens to let blood flow from…
Read more about Mitral Valve Prolapse at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Floppy nonrheumatic mitral valve syndrome
Excludes1 — not coded here
- •Marfan's syndrome (Q87.4-)
Frequently asked questions
- What is ICD-10 code I34.1?
- I34.1 is the ICD-10-CM code for "Nonrheumatic mitral (valve) prolapse". It falls under I00-I99 Diseases of the circulatory system.
- Is I34.1 a billable code?
- Yes — I34.1 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from I34.1?
- Excludes1 (not coded here): Marfan's syndrome (Q87.4-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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