Phenobarbital

Test Code
LPHEN


Alias/See Also
Luminal


CPT Codes
80184

Preferred Specimen
1.0 ml of whole blood or 0.5 mL of serum in a no additive red top non-gel tube, serum separator (gold top) or lithium heparin (green top). 


Minimum Volume
0.5 mL of whole blood or 0.25 mL of serum in ano additive red top non-gel tube, serum separator (gold top) or lithium heparin (green top). 


Transport Container
No Additive Red top, Serum separator (gold top), Lithium Heparin  (green or mint  top),


Transport Temperature
Refrigerated


Specimen Stability
Refrigerated: 30 days
Frozen: 3 months (-20 C)


Methodology
Multiple Point Immuno Rate

Setup Schedule
Daily


Report Available
Stat testing 3 hours.  Outpatient testing received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.


Reference Range
15-40 ug/mL




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.