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HelpTest Code PBR Phenobarbital, Serum
Specimen Required
Collection Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 0.5 mL
Collection Instructions:
1. Serum gel tubes should be centrifuged within 2 hours of collection.
2. Red-top tubes should be centrifuged, and the serum aliquoted into a plastic vial within 2 hours of collection.
Useful For
Monitoring for appropriate therapeutic concentration of phenobarbital
Assessing compliance or toxicity
Method Name
Kinetic Interaction of Microparticles in a Solution (KIMS)
Reporting Name
Phenobarbital, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 28 days | |
| Ambient | 72 hours |
Reject Due To
| Gross hemolysis | Reject |
Performing Laboratory
MCHS- La Crosse LabTest Classification
This test has been cleared, approved, or is exempt by the US Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
80184
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| PBR | Phenobarbital, S | 3948-7 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| PBR | Phenobarbital, S | 3948-7 |
Day(s) Performed
Monday through Sunday