Test Details

Mnemonic

ESTRL

Ordering Code

3420240

CPT-4 Code(s)

82677

Specimen Information

Collect

Red-top
more

Specimen Preparation

Centrifuge, separate serum from cells and send 0.5 mL serum refrigerated in a screw-capped plastic vial.
more

Minimum Volume

0.3 mL
more

Transport Temperature

Refrigerated
more

Rejection Criteria

Samples received at room temperature, SST
more

Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 28 days
more

Methodology

Chromatography/Mass Spectrometry
more

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
more

Performing Laboratory

Quest SJC
more