Phenobarbital

Orderable EAP code:

LAB00469

Billable EAP Codes:

80001673 x 1

CPT Codes:

80184 x 1

Lab Section:

Core Lab

Turnaround Time:

Routine: 2 Hours
Urgent: 1 Hour

Test Schedule:

24 hours, 7 days a week.

Units:

mcg/mL

Critical Values:

Greater than or equal to 60.0 micrograms/mL

Specimen Requirements:

4 mL blood in a GREEN top, lithium heparin tube.

Do not collect into tubes that contain gel separator.

Pediatric Specimen Requirements:

0.5 mL in a 1.0 mL GREEN top, lithium heparin tube.

Do not collect into tubes that contain gel separator.

Reference Range:

15 to 40 micrograms/mL (therapeutic).

Comments:

Specimen stability: Separated serum/plasma stored at room temperature is stable less than or equal to 8 hours or less than or equal to 2 days refrigerated.

Synonyms:

Barbituates, Luminal

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