I08

Non-billable

Multiple valve diseases

I08 is the ICD-10-CM code for Multiple valve diseases. It is a non-billable category code — use a more specific child code such as I08.0 for billing.

Status
Header (non-billable)
Chapter
I00-I99
Subcodes
6
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 ↗

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

Includes

  • multiple valve diseases specified as rheumatic or unspecified

Excludes1 — not coded here

  • endocarditis, valve unspecified (I38)
  • rheumatic valve disease NOS (I09.1)

Excludes2 — not included here

Frequently asked questions

What is ICD-10 code I08?
I08 is the ICD-10-CM code for "Multiple valve diseases". It falls under I00-I99 Diseases of the circulatory system.
Is I08 a billable code?
No — I08 is a non-billable header code. Use a more specific child code (such as I08.0) for billing.
What are the subcodes of I08?
I08 has 6 more specific child codes, including I08.0, I08.1, I08.2.
What is excluded from I08?
Excludes1 (not coded here): endocarditis, valve unspecified (I38); rheumatic valve disease NOS (I09.1).

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

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