PRE and POST Phenobarbital
- Test Code
- CT755
- Results:
- 1-2 days.
- Specimen
- 0.5 mL serum in red top or other non-additive tube (labeled PRE) and 0.5 serum in red top or other non-additive tube (labeled POST).
- Test Description
- PRE and POST Pill Phenobarbital Levels
Submission of a peak and trough phenobarbital level.
Interferences: Hemolysis and gel in serum separator tube may interfere with test. Do not use a serum separator tube for sample draw or submission.