I05
⚠ Non-billable
Rheumatic mitral valve diseases
ICD-10-CM · FY2026 · Diseases of the Circulatory System
Code
I05
System
ICD-10-CM
Billable
No — use specific code
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 I05?
ICD-10-CM code I05 represents Rheumatic mitral valve diseases. It is a non-billable header code requiring a more specific subcategory in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.
Is I05 billable?
No. I05 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is I05 in?
I05 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.
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