Sign In
Labcorp Oklahoma, Inc.
Test Directory


Index:

Estradiol, Ultrasensitive (Children 12yr and under) - Serum

Order Name ULTR ESTRD
Test Number: 3600375
Revision Date 01/22/2024
Test Name Methodology LOINC Code
Estradiol, Ultrasensitive (Children 12yr and under) - Serum
Liquid Chromatography/Tandem Mass Spectrometry 35384-7 
SPECIMEN REQUIREMENTS
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1.5 mL (1.2 mL) Serum Clot Activator (SST or Red No-Gel) Refrigerated
Instructions Specimen 1.5mL Serum (1.2mL min. ?Note: This volume does not allow for repeat testing.)
Specimen Type: Red-top tube or gel-barrier tube
Specimen Storage: Refrigerated
Specimen Collection: If red-top tube is used, transfer separated serum to a plastic transport tube.
Specimen Stability: Ambient: 14 days, Refrigerated : 14 days, Frozen: 14 days (Freeze/thaw cycles Stable x3)
GENERAL INFORMATION
Expected TAT 3 - 6 days  
Clinical Use Estradiol is the major estrogenic hormone secreted by the ovaries. Measurement of estradiol may be useful in women to assess ovarian function in patients with menstrual disorders, precocious or delayed puberty, and menopause and useful in men to assess gynecomastia. 
Performing Labcorp Test Code 140244 
CPT Code(s) 82670
Lab Section Reference Lab