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I06

Non-billable

Rheumatic aortic valve diseases

I06 is the ICD-10-CM code for Rheumatic aortic valve diseases. It is a non-billable category code — use a more specific child code such as I06.0 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 · NIH

What 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 ↗
Streptococcal Infections ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • •aortic valve disease not specified as rheumatic (I35.-)
  • •aortic valve disease with mitral and/or tricuspid valve involvement (I08.-)

Frequently asked questions

What is ICD-10 code I06?
I06 is the ICD-10-CM code for "Rheumatic aortic valve diseases". It falls under I00-I99 Diseases of the circulatory system.
Is I06 a billable code?
No — I06 is a non-billable header code. Use a more specific child code (such as I06.0) for billing.
What are the subcodes of I06?
I06 has 5 more specific child codes, including I06.0, I06.1, I06.2.
What is excluded from I06?
Excludes1 (not coded here): aortic valve disease not specified as rheumatic (I35.-); aortic valve disease with mitral and/or tricuspid valve involvement (I08.-).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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