Casandra
Casandra Test Code LC58618Version 1 (DRAFT)
Performing Lab
Phenobarbital, Unbound, Serum or Plasma
Also known as: Luminal®
Clinical Use
Order TestUse
Therapeutic drug management
Special Instructions
Not provided.
Limitations
Not provided.
Test Details
Methodology
Immunoassay
Biomarkers
Phenobarbital, Unbound
AnalyteUnbound phenobarbital concentration • Concentration / Level • Quantitative (Continuous) (e.g., copies/mL, % expression)
Result Turnaround Time
3-7 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
3 mL
Minimum Volume
1 mL
Container
Red‑top tube or green‑top (heparin) tube; gel‑barrier tubes not recommended
Collection Instructions
Separate serum or plasma from cells within two hours of venipuncture; submit in a plastic transport tube
Patient Preparation
Trough levels are most reproducible
Storage Instructions
Submission/transport (<3 days): Room temperature; beyond three days: refrigerated or frozen
Causes for Rejection
Gel‑barrier tubes
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | <3 days |
Related Tests
Other tests from different labs that may be relevant
Phenobarbital, Total/Unbound/Bound, S/P
ARUP Laboratories
Phenobarbital
Quest Diagnostics
Phenobarbital
ARUP Laboratories
Phenobarbital, Serum
Mayo Clinic Lab
Primidone and Phenobarbital
Quest Diagnostics
Phenytoin, Total and Phenobarbital Group, Serum
Mayo Clinic Lab
Phenytoin
Quest Diagnostics
Primidone and Phenobarbital, Serum
Mayo Clinic Lab
Phenytoin, Free
Quest Diagnostics
Barbiturates, Serum or Plasma, Quantitative
ARUP Laboratories
