Phenobarbital, Free
| Sunquest Code: | FPHENO | ||
| Epic Code: | LAB3482 | Epic Name: | Phenobarbital Free |
| Synonyms: | Luminal, PB; Phenobarbital, Unbound | ||
| Methodology: | Ultrafiltration/Immunoassay | ||
| Turnaround Time: | Specimens are sent to the reference laboratory Mon-Fri; results are reported within 1 day. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 6 mL |
| Minimum\Peds Volume: | 2.2 mL |
| Container: | Red (no gel) [Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel)] |
| Collection Instructions: | Trough levels are the most reproducible. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 3 mL, 1 mL minimum. Store at room temperature. |
| Shipping Instructions: | Ship at room temperature. |
| Stability: | Up to 3 days at room temperature; for longer storage, refrigerate or freeze. |
| Test Performed at or Referral Lab | Lab Sendouts (MedTox) |
| Referral Lab number: | 94 |
Interpretive
| Critical Range: | Greater than or equal to 25.0 ug/mL |
| Reference Range: | 6.0-20.0 ug/mL |
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