Nonrheumatic aortic valve disorders (I35)

Clinical Information for Nonrheumatic aortic valve disorders (I35)

Aortic Valve Stenosis - A pathological constriction that can occur above (supravalvular stenosis), below (subvalvular stenosis), or at the AORTIC VALVE. It is characterized by restricted outflow from the LEFT VENTRICLE into the AORTA.

Instructional Notations

Type 1 Excludes Type 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

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