Test Details
Mnemonic
ESTRL
Ordering Code
3420240
CPT-4 Code(s)
82677
Specimen Information
Collect
Red top
Specimen Preparation
Centrifuge, separate serum from cells and send 0.5 mL serum in a screw capped plastic vial.
Minimum Volume
0.3 mL
Transport Temperature
Refrigerated
Rejection Criteria
Samples received at room temperature, Serum separator tube (SST)
Stability
Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 28 days
Refrigerated: 7 days
Frozen: 28 days
Methodology
Chromatography/Mass Spectrometry
Reference Range
Adult Male: ≤0.18 ng/mL
Adult Female (nonpregnant): ≤0.21 ng/mL
Pregnancy:
First Trimester: ≤2.50 ng/mL
Second Trimester: ≤9.60 ng/mL
Third Trimester: ≤14.60 ng/mL
Adult Female (nonpregnant): ≤0.21 ng/mL
Pregnancy:
First Trimester: ≤2.50 ng/mL
Second Trimester: ≤9.60 ng/mL
Third Trimester: ≤14.60 ng/mL
Performing Laboratory
Quest SJC
New York DOH Approval Status
Yes