Specimen Preparation: Allow specimen to clot completely at room temperature. Separate serum from cells ASAP or within 2 hours of collection. Transfer 0.5 mL serum to an ARUP Standard Transport Tube. (Min: 0.2 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Additional specimens must be submitted when multiple tests are ordered.
Unacceptable Conditions: Non-frozen specimens.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
Reference Interval:
0-20 mg/dL
Note:
Samples lose up to 25% LASA in 24 hours if left at room temperature.