Phenobarbital
0090230
Ordering Recommendation
 
Mnemonic
PHNO
Methodology
Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Plain red. Also acceptable: Green (sodium heparin).  
Specimen Preparation
Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Separator tubes or gels, lavender (EDTA), or gray (sodium fluoride/potassium oxalate). Hemolyzed specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 2 days; Refrigerated: 6 months; Frozen: 6 months  
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  
Interpretive Data
 
Note
 
CPT Code(s)
80184
Components
Component Test Code*Component Chart Name
0090230Phenobarbital
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Luminal