Emergency: 119
AMDA-IMIC

I34..1 Nonrheumatic mitral (valve) prolapse

Billable

← I34 — Nonrheumatic mitral valve disorders Chapter 9: I00-I99

Includes

  • Floppy nonrheumatic mitral valve syndrome

Excludes 1 (cannot be coded together)

  • Marfan's syndrome (Q87.4-)

Last reviewed: September 2026