I36
Non-billableNonrheumatic tricuspid valve disorders
I36 is the ICD-10-CM code for Nonrheumatic tricuspid valve disorders. It is a non-billable category code — use a more specific child code such as I36.0 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.
Excludes1 — not coded here
Frequently asked questions
- What is ICD-10 code I36?
- I36 is the ICD-10-CM code for "Nonrheumatic tricuspid valve disorders". It falls under I00-I99 Diseases of the circulatory system.
- Is I36 a billable code?
- No — I36 is a non-billable header code. Use a more specific child code (such as I36.0) for billing.
- What is excluded from I36?
- Excludes1 (not coded here): tricuspid valve disorders of unspecified cause (I07.-); tricuspid valve disorders specified as congenital (Q22.4, Q22.8, Q22.9); tricuspid valve disorders specified as rheumatic (I07.-); tricuspid valve disorders with aortic and/or mitral valve involvement (I08.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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