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| Title | DIPHENHYDRAMINE (BENADRYL) |
| Specimen Requirement | <p>1 Red Top/1.0 mL serum (0.5 mL minimum). After 30 minutes of clotting, promptly centrifuge and refrigerate serum. <strong>Do not collect in serum separator tube.</strong></p> |
| Methodology | |
| Stability | Room Temp 39 days; Refrigerated 30 days |
| Reference Range | By Report* |
| Turnaround | 5-7 days Performed Mon-Fri |
| Clinical Use | |
| Test Code | BENA |
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