Y64: Contaminated medical or biological substances
Codes under Y64 (Contaminated medical or biological substances). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Y64.0 | Contaminated medical or biological substance, transfused or infused | ✓ |
| Y64.0 | Contaminated medical or biological substance, transfused or infused | ✓ |
| Y64.1 | Contaminated medical or biological substance, injected or used for immunization | ✓ |
| Y64.1 | Contaminated medical or biological substance, injected or used for immunization | ✓ |
| Y64.8 | Contaminated medical or biological substance administered by other means | ✓ |
| Y64.8 | Contaminated medical or biological substance administered by other means | ✓ |
| Y64.9 | Contaminated medical or biological substance administered by unspecified means | ✓ |
| Y64.9 | Contaminated medical or biological substance administered by unspecified means | ✓ |
Frequently asked questions
What is ICD-10-CM code Y64?
Y64 is an ICD-10-CM category covering Contaminated medical or biological substances. It contains 8 more specific diagnosis codes, 8 of which are billable.
Is Y64 a billable code?
No — Y64 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 Y64.0 — Contaminated medical or biological substance, transfused or infused). 8 of the 8 codes under Y64 are billable.
What codes fall under Y64?
Y64 includes Y64.0, Y64.0, Y64.1, Y64.1, Y64.8, plus 3 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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