Laboratory Test DirectoryShare
Estronex Profile, Urine
|Methodology:||Ultra Performance Liquid Chromatography-Tandem Mass Spectrophotometry (High Performance Liquid Chromatography-Tandem Mass Spectrophotometry)|
Patient Preparation: Patient should fast for eight hours prior to morning urine collection. It is not necessary to discontinue nutritional supplements or oral hormones prior to this test. Restrict fluid intake to three 8-ounce glasses or less for 24 hours. Make sure that no more than 8 ounces is consumed after 8:00 PM the evening prior to collection. Empty bladder before going to bed. Collection is preferred on days 18-25 after the start of the menstrual cycle. Do not collect during menstruation. Timing is not important for post-menopausal women. Testing is not recommended during pregnancy.
Collect: Urine, first morning void.
Specimen Preparation: Transport 13 mL urine in collection kit.
Storage/Transport Temperature: CRITICAL FROZEN.
Separate specimens must be submitted when multiple tests are ordered. Stability: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 2 weeks.
NOTE: * This test is not available for New York patients.*
Test includes: 2-Hydroxyestrone (2-OHE1), 2-Hydroxyestradiol (2-OHE2), 2-OHE1 + 2-OHE2, 4-Hydroxyestrone (4-OHE1), 16a-Hydroxyestrone (16a-OHE1), 2-Methoxyestrone (2-OMeE1), 4-Methoxyestrone (4-OMeE1), Creatinine, 2/16 Hydroxyestrogen Ratio, 4-Hydroxyestrone and Methylation Ratio.
|CPT Code(s):||82679 x5; 82570; 82670|
|Test Panel Components||Estronex 2/16 OH Ratio|