|Test Code||17HPE / 500163E|
|Test||17-HYDROXYPROGESTERONE, PEDIATRIC, SERUM|
|Methodology||High-Presure Liquid Chromatography-Tandem Mass Spectrometry (HPLC-MS/MS)|
|Description||Useful as the best screening test for congenital adrenal hyperplasia (CAH) caused by either 11-hydroxylase of 21-hydroxylase deficiency.
NOTE: Please order this test if patient is 16 years of age or younger.
|Specimen||Draw blood in a plain red-top tube or serum gel tube. Spin down and separate serum within one hour. Send 1.0 mL (minimum volume: 0.1 mL - does not allow for repeat testing) of serum FROZEN in a plastic, screw-capped vial.|
|Reference Values||PREMATURE INFANTS
26-28 Weeks, Day 4: 124 - 841 ng/dL
31-35 Weeks, Day 4: 26 - 568 ng/dL
3 days: 7 - 77 ng/dL
1-11 Months (male): Levels increase after the first week to
peak values ranging from 40-200 ng/dL between 30 and 60 days.
Values then decline to prepubertal range of 3-90 before one
1-11 Months (female): 13-106 ng/dL
|Analytic Time||2 Days|
|Day(s) Test Set Up||Monday through Saturday|