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Vanderbilt Pathology Laboratory Services

Test Directory



ESTRADIOL (E2)

Department: Chemistry
Test Synonym(s): E2
CPT Codes: 86270
Methodology: Solid phase, competitive chemiluminescent enzyme immunoassay
Reference Range: M/F 15days-11mo: 0-24 pg/mL , Males- 1-10yrs: 0-13 , 11-14yrs: 0-28 , 15-18yrs: 0-38 , 19-150yrs: 11-44 Females- 1-8yrs: 0-10 , 9-11yrs: 0-94 , 12-13yrs: 11-172 , 14-150yrs No reference range-see interpretive table; Normal Menstruating Females: Follicular Phase 13-251, Mid-Cycle Phase 38-641, Luteal Phase 31-316 Postmenopausal Females: <30
Tube Type: Red top tube (no gel)
Specimen: Blood
Alternate Specimen: Light Green top PST (Lithium Heparin with gel)
Pediatric Requirements: 1 microtainer
Volume: 5 mL
Minimum Volume: 0.5 mL
Temperature: Refrigerated
Stability: Refrigerated (2-8 C): up to 7 days, Frozen ( -20 C): 2 months; Avoid more than 3 freeze/thaw cycles
Reasons for Rejection: QNS, EDTA tube, specimen not separated
Days Performed: Daily
Times Performed: Continuous
TAT: 1 day
Special Instructions: Specimens should be centrifuged immediately.

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