I34: Nonrheumatic mitral valve disorders
Codes under I34 (Nonrheumatic mitral valve disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I34.0 | Nonrheumatic mitral (valve) insufficiency | ✓ |
| I34.0 | Nonrheumatic mitral (valve) insufficiency | ✓ |
| I34.1 | Nonrheumatic mitral (valve) prolapse | ✓ |
| I34.1 | Nonrheumatic mitral (valve) prolapse | ✓ |
| I34.2 | Nonrheumatic mitral (valve) stenosis | ✓ |
| I34.2 | Nonrheumatic mitral (valve) stenosis | ✓ |
| I34.8 | Other nonrheumatic mitral valve disorders | — |
| I34.8 | Other nonrheumatic mitral valve disorders | — |
| I34.9 | Nonrheumatic mitral valve disorder, unspecified | ✓ |
| I34.9 | Nonrheumatic mitral valve disorder, unspecified | ✓ |
| I34.81 | Nonrheumatic mitral (valve) annulus calcification | ✓ |
| I34.81 | Nonrheumatic mitral (valve) annulus calcification | ✓ |
| I34.89 | Other nonrheumatic mitral valve disorders | ✓ |
| I34.89 | Other nonrheumatic mitral valve disorders | ✓ |
Frequently asked questions
What is ICD-10-CM code I34?
I34 is an ICD-10-CM category covering Nonrheumatic mitral valve disorders. It contains 14 more specific diagnosis codes, 12 of which are billable.
Is I34 a billable code?
No — I34 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example I34.0 — Nonrheumatic mitral (valve) insufficiency). 12 of the 14 codes under I34 are billable.
What codes fall under I34?
I34 includes I34.0, I34.0, I34.1, I34.1, I34.2, plus 9 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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