L067

Test CODE NAME

L067

Carnitine, Total

Methodology: Tandem Mass Spectrometry
Performed: Tue-Sat
Reported: 2-5 days
Specimen Required: Collect: Green (sodium or lithium heparin) OR Plain Red - 0.5 plasma or serum.
Specimen Preparation: Allow specimen to clot completely at room temperature Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer  serum or plasma to a Standard Transport Tube and freeze immediately. 
Avoid hemolysis.
Storage/Transport Temperature: CRITICAL FROZEN.
Unacceptable Conditions: Room temperature specimens. Specimens that have been refrigerated for greater than 12 hours.
Stability: Ambient: Unacceptable; Refrigerated: 12 hours; Frozen: 1 month (avoid repeated freeze thaw cycles)
Note: This test is approved for NY .
Performing Lab 
ARUP Laboratory
CPT Code(s): 83789