Preferred Specimen(s) 3 mL serum
Instructions It is recommended that the serum is removed from the red cells or barrier gel and the serum submitted in a plastic serum transport container. Prolonged contact of the serum with the barrier gel can cause decreased progesterone results.
Transport Container
- Plastic screw-cap vial or barrier.
- Barrier gel is acceptable if tested within 24 hours
Transport Temperature Refrigerated, stable 48 hours
Methodology Chemiluminescence
Rejection Criteria
- Plasma;
- Hemolyzed specimens