Handling: Centrifuge specimens and remove the serum from the cellular material within 5 days of collection.
Container/Tube: Serum gel (SST) tube
Specimen Volume: 3.5 mL or 5 mL
Transport Temperature: Ambient
Collections Instructions: Draw specimen at least 4 hours after ingestion to ensure peak concentrations. If there is a delay in transport of ≥2 hours, centrifuge and send specimen refrigerated.
Colorimetric
Therapeutic concentration: 10-30 µg/mL
Critical value (automatic call-back): >200 µg/mL
Monday through Sunday
Available STAT
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