I34.1

Billable

Nonrheumatic 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.

Status
Billable
Chapter
I00-I99
Parent
I34
Edition
FY2026

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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