ESTRIOL (UNCONJUGATED), SERUM

Specimen Required
Draw blood in a SST. Centrifuge, separate and send 1.0 mL serum (0.2 mL minimum) refrigerated in a screw-capped plastic vial.

Alternate Specimen
Serum: Red-top

Rejection Criteria
Gross hemolysis

Methodology
Immunochromatographic Membrane Assay

Stability
Room Temperature: 14 days; Refrigerated: 14 days; Frozen: 45 days

Reference Range
By report

Performed
Sunday, Tuesday, Thursday

Turnaround Time4-6 days
Test CodeESTRU
CPT-4 Code (s)
82677
LOINC Codes
Estriol (Unconjugated), Serum   2251-7  

Warde
Medical
Laboratory