2 - 4 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum or plasma
2 mL
0.6 mL (Note: This volume does not allow for repeat testing.)
Royal blue-top (EDTA) tube or royal blue-top (without EDTA) tube
Separate serum or plasma immediately after the collection, and transfer to a certified metal-free transport tube (PeopleSoft No. 111166) for shipment to the laboratory.
Maintain specimen at room temperature.
Temperature
Period
Room temperature
14 days
Refrigerated
Frozen
Freeze/thaw cycles
Stable x3
Certified metal-free plastic transport tube not submitted
Monitor selenium deficiency and occupational exposure
This test was developed and its performance characteristics determined by Labcorp. It has not been cleared or approved by the Food and Drug Administration.
Inductively coupled plasma/mass spectrometry (ICP/MS)
Age
Male
Female
0 to 4 m
25–111
5 to 10 m
23–131
11 m to 1 y
38–150
2 to 5 y
59–168
6 to 12 y
73–177
13 to 18 y
81–188
>18 y
93–198
Environmental exposure: 79-326 µg/L
