I08.1
✓ Billable
Rheumatic disorders of both mitral and tricuspid valves
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I08.1
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Circulatory System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code I08.1?
ICD-10-CM code I08.1 represents Rheumatic disorders of both mitral and tricuspid valves. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I08.1 billable?
Yes. I08.1 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is I08.1 in?
I08.1 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
Related codes in the I08 category
I08
Multiple valve diseases
Non-billable
I08.0
Rheumatic disorders of both mitral and aortic valves
Billable
I08.2
Rheumatic disorders of both aortic and tricuspid valves
Billable
I08.3
Combined rheumatic disorders of mitral, aortic and tricuspid valves
Billable
I08.8
Other rheumatic multiple valve diseases
Billable
I08.9
Rheumatic multiple valve disease, unspecified
Billable
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