Nonrheumatic aortic valve disorders (I35)

Browse all the diagnosis codes used for nonrheumatic aortic valve disorders (i35). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Clinical Information

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

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