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Homocysteine (Pediatric), Total - Blood

Referred out for testing

Source Blood
 
Mnemonic BGLBL

BGL Test Name field: Homocyst, Total
Specimen Requirements 1 x 4 mL dark green top sodium heparin tube. Lithium heparin, NOT PST and red top non-additive tube is also acceptable.

Minimum 0.25 mL plasma or serum

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

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  Test only available for pediatric patients (less than 16 years of age).
Testing Location ACH Biochemical Genetics Lab
Testing Frequency Monthly; must notify ACH Biochemical Genetics Lab for priority turn-around.
 
Alternate Name(s) 2-Amino-4-Mercaptobutyric Acid - Blood; HCY - blood
Reference Interval Provided on test report.