*Preferred containers are for single test orders. For orders with multiple tests, EPIC may require an alternative container to minimize the number of containers collected.
Other acceptable containers:
Gold Top Tube (Serum Separator Tube)
OR
Microtainer Gold Tops (Serum Separator Tube)
Specimen Preparation
Follow Central Lab Services processing protocol.
Storage/Transport Temperature
Room temperature
Stability (from collection to initiation)
Before separation from cells
After separation from cells
Room Temperature
≤ 2 hours
Room Temperature
≤ 1 week
Refrigerated (2-8 C)
≤ 3 weeks
Frozen (-20 C)
≤ 1 year
Volume Required
0.5 mL blood
Minimum Required
0.3 mL blood
Phlebotomy Draw
Yes
Performing Lab
Chemistry Laboratory
Performed
24/7
Methodology
Spectrophotometry
Reported
STAT: 60 minutes
Routine: 90 minutes
LIS Mnemonic
FE
Available STAT
Yes
Reference Ranges
Female
0 to 21 Years
25-140 mcg/dL
Female
21 to 999 Years
37-170 mcg/dL
Male
0 to 21 Years
25-140 mcg/dL
Male
21 to 999 Years
49-181 mcg/dL
Unknown
0 to 21 Years
25-140 mcg/dL
Unknown
21 to 150 Years
49-170 mcg/dL
CPT Codes
83540
Collection
Collect
Preferred: Lithium Heparin Plasma Separator Tube
Plasma Separator Tube (Lithium Heparin)
OR
Plasma Separator Tubes (Lithium Heparin)
*Preferred containers are for single test orders. For orders with multiple tests, EPIC may require an alternative container to minimize the number of containers collected.
