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
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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