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Test Code PHNO Phenobarbital

Methodology

Cloned Enzyme Donor Immunoassay (CEDIA)

Performing Laboratory

St. Clair Hospital Laboratory

Specimen Requirements

1 PST tube, (serum no gel acceptable) drawn 12 to 20 hours after last dose. (Serum gel tube is not acceptable.) Centrifuge blood as soon as possible, or send unspun blood to laboratory within 4 hours of draw.

Reference Values

Therapeutic concentration:  10.0-30.0 µg/mL
Critical value (automatic call-back):  >50.0 µg/mL

Day(s) Test Set Up

Monday through Sunday