I36: Nonrheumatic tricuspid valve disorders
Codes under I36 (Nonrheumatic tricuspid valve disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| I36.0 | Nonrheumatic tricuspid (valve) stenosis | ✓ |
| I36.0 | Nonrheumatic tricuspid (valve) stenosis | ✓ |
| I36.1 | Nonrheumatic tricuspid (valve) insufficiency | ✓ |
| I36.1 | Nonrheumatic tricuspid (valve) insufficiency | ✓ |
| I36.2 | Nonrheumatic tricuspid (valve) stenosis with insufficiency | ✓ |
| I36.2 | Nonrheumatic tricuspid (valve) stenosis with insufficiency | ✓ |
| I36.8 | Other nonrheumatic tricuspid valve disorders | ✓ |
| I36.8 | Other nonrheumatic tricuspid valve disorders | ✓ |
| I36.9 | Nonrheumatic tricuspid valve disorder, unspecified | ✓ |
| I36.9 | Nonrheumatic tricuspid valve disorder, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code I36?
I36 is an ICD-10-CM category covering Nonrheumatic tricuspid valve disorders. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is I36 a billable code?
No — I36 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 I36.0 — Nonrheumatic tricuspid (valve) stenosis). 10 of the 10 codes under I36 are billable.
What codes fall under I36?
I36 includes I36.0, I36.0, I36.1, I36.1, I36.2, plus 5 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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