HQEsoterics

Collection Information

Collection Instruction

Plain red, serum separator tube. Also acceptable: Dark green (sodium heparin), lavender (EDTA), or pink (K2EDTA). Separate serum or plasma from cells withn 2 hours of collection. Ambient unacceptable.

Preferred Specimen

Container:

Red/Dark Green (sodium heparin)/Lavender (EDTA)/Pink (K2EDTA) Tube

Volume:

1.2 mL

Specimen Stability

4 Days (Refrigerated 2-8°C); 1 Month (Frozen -70°C)

Process Information

CPT Code(s)

83921

Turnaround Time

5 Days

Reference Range

N/A

Reject Criteria

Specimens that exceed stated stability, unlabeled/mislabeled/mismatched specimens, specimens submitted in leaking containers, grossly hemolyzed or lipemic specimens

Methylmalonic Acid (MMA)