I35
Non-billableNonrheumatic aortic valve disorders
I35 is the ICD-10-CM code for Nonrheumatic aortic valve disorders. It is a non-billable category code — use a more specific child code such as I35.0 for billing.
- Status
- Header (non-billable)
- Chapter
- I00-I99
- Subcodes
- 5
- Edition
- FY2026
I00-I99 Diseases of the circulatory system
What this means — in plain language
MedlinePlus · NIHWhat are heart valve diseases? Heart valve disease happens when one or more of your heart valves don't work well. Your heart has four valves: the tricuspid, pulmonary, mitral, and aortic valves. The valves have flaps that open and close. The flaps make sure that blood flows in the right direction through your heart and to the rest of your body. When your heart beats, the flaps open to let blood through. Between…
Read more about Heart Valve Diseases at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Excludes2 — not included here
Notes
- •, if applicable, bicuspid aortic valve (Q23.81)
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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