Specimen Preparation: Separate cells within 2 hours of collection. Transfer 2 mL RBCs to an ARUP Trace Element-Free Transport Tube (ARUP supply #43116). Available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787. (Min.: 0.7 mL)
Storage/Transport Temperature: Refrigerated. Also acceptable: Frozen.
Unacceptable Conditions: Lavender top (EDTA).
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: 1 month; Frozen: 1 month
