Specimen Requirements
Title
MAGNESIUM, RBC
Specimen Requirement
One (1) Dark Blue EDTA tube
Methodology
Stability
Room Temp/Refrigerated 7 days
Reference Range
By Report*
Turnaround
3-7 days Performed Mon, Thrus
Clinical Use
Test Code
MGRBC
Please note that there will be NO UPS OPERATIONS on July 4th - normal operations will resume on Monday, July 6th. To ensure specimen integrity during this extended transit period, please review testing stability requirements prior to collections on Friday, July 3rd.
Additionally, locations in the state of Arizona will not have courier pickups on Friday, July 3, 2026, due to holiday scheduling procedures. Therefore, please do not draw or submit patient specimens on Friday, July 3rd, 2026.