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Item Value
Approval req'd? No
Available Stat? No
Test code PENT
Performed by Quest
Sendout? Yes
Container type Red top, Gold top accceptable
Amount to Collect 6 mL blood
Sample type Serum
Preferred volume 3 mL serum
Min. Volume 1 mL serum
Processing notes Immediately transfer serum to plastic vial. Order Quest # 39248P
Units mg/L
Normal range
Therapeutic 1.0-5.0 mg/L
Potentially toxic > 10 mg/L
Turn around times 1-2 days
Additional information For increased intrancranial pressure levels with supportive therapy, levels of 20-30 mg/L in children and 25-35 in adults are commonly used.

The lower limit of detection (sensitivity) of the assay is 0.5 mg/L. In addition to its use as a sedative itself, pentobarbital is the major accumulating metabolite of thiopental.

See also Barbiturates and Drug Screening.
CPT coding 82205-90
LOINC code 3924-8
Last Updated 3/7/2013 9:26:42 AM
Entry Number 730
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