Monday - Friday, 0800 - 1700.
5 - 7 days.
0.5 mL (at least 1.0 mL preferred).
Serum is preferred (red top collection tube). Centrifuge and separate from cells within 1 hour of drawing. Freeze serum or plasma.
Interpretive Reference Range:
Normal < 250 ng/mL.
Diagnosis and treatment of glutaric acidemia types 1 and 2.
May be elevated by medium chain triglycerides in diet.
Stable isotope dilution gas chromatography-mass spectrometry (GC/MS).