ARUP's Laboratory Test Directory

Estradiol, Adult Premenopausal Female, Serum or Plasma : 0070045

Mnemonic: ESTRA

Ordering Recommendation: Suitable for measurement of estradiol in adult premenopausal women. In all other groups, the preferred test is Estrogens, Fractionated by Tandem Mass Spectrometry (HPLC) test (0093248).
Methodology: Quantitative Chemiluminescent Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: Collect: Serum separator tube. Also acceptable: Green (sodium or lithium heparin).

Specimen Preparation: Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.4 mL)

Storage/Transport Temperature: Frozen.

Unacceptable Conditions: EDTA plasma. Grossly hemolyzed or lipemic specimens.

Stability (collection to initiation of testing): After separation from cells: Ambient: 8 hours; Refrigerated: 48 hours; Frozen: 6 months

Reference Interval:
Effective November14, 2011
 
Female  
Follicular phase 27-122 pg/mL
Mid-Cycle phase 95-433 pg/mL
Luteal phase 49-291 pg/mL
Post-Menopausal Less than 41 pg/mL

Note: Refer to Estradiol, Males, Children or Postmenopausal Females, by Tandem Mass Spectrometry (ARUP Test Code 0093247) for male, children, and postmenopausal female specimens.
CPT Code(s): 82670
Cross References: Estradiol, 17b