I08
ICD-10Non-billable categoryMultiple valve diseases
Official ICD-10-CM descriptor (FY2026)
Multiple valve diseases
I08 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Includes
- multiple valve diseases specified as rheumatic or unspecified
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- endocarditis, valve unspecified (I38)
- rheumatic valve disease NOS (I09.1)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- multiple valve disease specified as nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-)
More specific codes under I08
- I08.0Rheumatic disorders of both mitral and aortic valves
- I08.1Rheumatic disorders of both mitral and tricuspid valves
- I08.2Rheumatic disorders of both aortic and tricuspid valves
- I08.3Comb rheumatic disord of mitral, aortic and tricuspid valves
- I08.8Other rheumatic multiple valve diseases
- I08.9Rheumatic multiple valve disease, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.