Esoterix
Expected Turnaround Time
2 - 6 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.
Specimen Requirements
Specimen
Serum or plasma
Volume
1 mL
Minimum Volume
0.5 mL (Note: This volume does not allow for repeat testing.)
Container
Serum: Tiger-top (SST) or red-top tube EDTA plasma: Lavender-top tube
Collection
Fasting specimen recommended. Separate and freeze serum or plasma within one hour; transfer into a plastic transport tube.
Storage Instructions
Ship frozen on dry ice.
Test Details
Limitations
This procedure may be considered by Medicare and other carriers as investigational and, therefore, may not be payable as a covered benefit for patients.
Methodology
Enzyme-linked immunoassay (ELISA)
Reference Interval
Age Range (ng/mL) Adults (BMI=22) Males 0.7 - 5.3 Females 3.3 - 18.3 Contact the laboratory for other BMI reference ranges.