I35 Nonrheumatic aortic valve disorders

Category / Non-billable header 5 subcodes

Block: Other forms of heart disease (I30-I5A)

Excludes 2 (not included here)

  • aortic valve disorder of unspecified cause but with diseases of mitral and/or tricuspid valve(s) (I08.-)
  • aortic valve disorder specified as congenital (Q23.0, Q23.1)
  • aortic valve disorder specified as rheumatic (I06.-)
  • hypertrophic subaortic stenosis (I42.1)

Code Also

  • , if applicable, bicuspid aortic valve (Q23.81)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
I35..0 Nonrheumatic aortic (valve) stenosis Yes
I35..1 Nonrheumatic aortic (valve) insufficiency Yes
I35..2 Nonrheumatic aortic (valve) stenosis with insufficiency Yes
I35..8 Other nonrheumatic aortic valve disorders Yes
I35..9 Nonrheumatic aortic valve disorder, unspecified Yes

Last reviewed: September 2026