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Carnitine, Total and Free - Blood

Referred out for testing

Source Blood
 
Mnemonic BGLBL

BGL Test Name field: Carnitine
 
Specimen Requirements

1 x 4 mL dark green top sodium heparin tube. 1 x 4 mL dark green lithium heparin, NOT PST, and red top non-additive tube are also acceptable.

Minimum: 0.25 mL plasma or serum.

Requires a minimum four-hour fast, or just prior to next feed for newborns.

Minimum Whole Blood Volumes for Microcollections

Specimen Handling

Send a copy of the requisition with the specimen.

PSC:
Centrifuge, transfer plasma or serum to aliquot tube, write "NaHep", "LiHep"  or "Red Top" on the aliquot tube, and transport on ice to DSC.

RRL:
Centrifuge, transfer plasma or serum to aliquot tube, write "NaHep", "LiHep" or "Red Top" on the aliquot tube, and transport on ice to ACH.

Extra-regional:
Centrifuge, transfer plasma or serum to aliquot tube, write "NaHep", "LiHep" or "Red Top" on the aliquot tube, and freeze prior to transport to DSC.

DSC:
Freeze plasma or serum upon receipt in lab; ensure frozen specimens do not thaw.

Additional Information
 
Testing Location ACH Biochemical Genetics Lab
Testing Frequency Weekly; must notify ACH Biochemical Genetics Lab for priority turn-around
Alternate Name(s) Total Carnitine - Blood; Free Carnitine Fraction - Blood; Acylcarnitine Fraction - Blood; Carnitine Acyl/Free Ratio - Blood
Reference Interval Provided on test report.