Ordering Guidance

This test is not the recommended initial screening test for evaluating patients with suspected mitochondrial disorders, organic acidurias, and ketone body disorders. For these purposes, the preferred tests for first-tier assessment are OAU / Organic Acids Screen, Random, Urine; AAQP / Amino Acids, Quantitative, Plasma; and ACRN / Acylcarnitines, Quantitative, Plasma.

Analytes from LAPYP / Lactate Pyruvate Panel, Plasma are included in this test. If ordered together, LAPYP may be canceled.

Specimen Required

Collection Container/Tube:

Preferred: Green top (Sodium heparin)

Acceptable: Green top (Lithium heparin)

Submission Container/Tube: Plastic vial

Specimen Volume: 0.5 mL

Collection Instructions: Centrifuge and aliquot plasma into a plastic vial.