ARUP's Laboratory Test Directory

Phenobarbital : 0090230

Mnemonic: PHNO

Methodology: Fluorescence Polarization Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect:  One 5 mL plain red.  Also acceptable: green (sodium heparin).

Transport:  1 mL serum at 2-8°C. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport:  0.5 mL serum or plasma at 2-8°C.

Remarks:  Allow specimen to clot completely at room temperature.  Separate serum or plasma from cells ASAP.

Unacceptable Conditions:  Hemolyzed specimens.  Specimens collected in separator tubes, gels, lavender (EDTA), or gray (sodium fluoride/potassium oxalate).

Stability:  After separation from cells: Ambient: 6 weeks; Refrigerated: 6 weeks; Frozen: 1 year
Reference Interval:
0-2 months: 15.0-30.0 µg/mL
  Toxic: 40.1 µg/mL or greater 
3 months and older: 15.0-40.0 µg/mL
  Toxic: 50.1 µg/mL or greater
CPT Code(s): 80184
 
 

 

 

 
All ARUP Sites:        www.aruplab.com     ·     www.arupconsult.com     ·     www.arup.utah.edu     ·     www.childx.org     ·     www.utahblood.org