Is I05.8 a billable ICD-10 code?

Yes. I05.8 (Other rheumatic mitral valve diseases) is billable and can be used for insurance claims. Always verify payer-specific requirements.

I05.8 ✓ Billable

Other rheumatic mitral valve diseases

Q: What is ICD-10 code I05.8?

ICD-10-CM code I05.8 stands for "Other rheumatic mitral valve diseases". It is a billable code in the Diseases of the Circulatory System chapter, effective FY2026 (Oct 1, 2025 – Sep 30, 2026).

ICD-10-CM · FY2026 · Diseases of the Circulatory System

Code

I05.8

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 I05.8?

ICD-10-CM code I05.8 represents Other rheumatic mitral valve diseases. It is a billable diagnosis code in the Diseases of the Circulatory System chapter, effective October 1, 2025 – September 30, 2026.

Is I05.8 billable?

Yes. I05.8 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.

What chapter is I05.8 in?

I05.8 belongs to the Diseases of the Circulatory System chapter (I00–I99) of ICD-10-CM.

Related codes in the I05 category

I05 Rheumatic mitral valve diseases Non-billable I05.0 Rheumatic mitral stenosis Billable I05.1 Rheumatic mitral insufficiency Billable I05.2 Rheumatic mitral stenosis with insufficiency Billable I05.9 Rheumatic mitral valve disease, unspecified Billable

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