I05.9Billable

Rheumatic mitral valve disease, unspecified

Chapter
9. Diseases of the circulatory system
Category
I05
Effective date
October 1, 2026

Related codes in category I05

I05Rheumatic mitral valve diseasesI05.0Rheumatic mitral stenosisYesI05.1Rheumatic mitral insufficiencyYesI05.2Rheumatic mitral stenosis with insufficiencyYesI05.8Other rheumatic mitral valve diseasesYes

Frequently asked questions

What is ICD-10 code I05.9?

I05.9 is an ICD-10-CM diagnosis code for Rheumatic mitral valve disease, unspecified.

Is I05.9 a billable code?

Yes. I05.9 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is I05.9 in?

I05.9 falls under Chapter 9: Diseases of the circulatory system.

When did I05.9 become effective?

I05.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I05.9?

I05.9 belongs to category I05, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.