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Phenobarbital
MessageSerum half-life is 2 - 6 days
Available STAT
Performed in the Chemistry Laboratory, x5820
10.2018
Available STAT
Performed in the Chemistry Laboratory, x5820
10.2018
Test Code
PHENO
CPT Codes
80184
Preferred Specimen
Plasma from a green top (PST) tube
Minimum Volume
1 mL
Instructions
IV: collect 2 - 4 hours post loading dose
Check level 2 - 3 weeks after a change in dose
Check level 2 - 3 weeks after a change in dose
Transport Container
Green Top (PST) tube
Transport Temperature
Room temperature
Specimen Stability
No Add-On
Methodology
Chemiluminescent Microparticle Immunoassay (Abbott Architect)
Setup Schedule
This assay is performed 24 hours per day, 7 days per week
Reference Range
Therapeutic range: 15 - 40 ug/mL
Critical alert value: ≥ 50 ug/mL
Critical alert value: ≥ 50 ug/mL
Clinical Significance
This test is used to monitor compliance, assess clinical effectiveness, or determine toxicity.
