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ESTRADIOL, serum (087-3739) Synonyms: 17-beta-estradiol, E2 CPT 4 Code: 82670 Test Order Mnemonic: E2 Applies To: Ovarian function Lab: Clinical Chemistry Request Form: Special Chemistry Form 2 Patient Preparation: Draw before a meal to avoid excess lipids in blood. Collection: Routine venipuncture Storage Instructions: Refrigerate, centrifuge the specimen, remove the serum from red cells and refrigerate serum. Causes for Rejection: Gross Hemolysis, repeat request within a week and blood collected in any anticoagulated tube. Availability: Samples are received 24 hours per day in Sample Management, Room 5.136 McCullough. Turnaround Time: 24 Hours Special Instructions: The test can not be ordered more than once per week. Additional requests must be approved by the laboratory director. Specimen: Blood Volume: 10 mL Minimum Volume: 5 mL Container: SST/gel barrier tube or red-topped tube Reference Range: Female, adult: follicular, 26-158 pg/mL, Mid-cycle 69-364 pg/mL, luteal phase, 51-219 pg/mL, postmenopausal, 0-47 pg/mL; Male, adult: 13-47 pg/mL Test Method: Chemiluminescence Reviewed/revised March 2008 by D. Davis |
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