17-Hydroxypregnenolone - Pediatric


Sunquest Code:17PGNP  
Epic Code:LAB6877Epic Name:17-Hydroxypregnenolone - Pediatric
Synonyms:17-OH-Pregnenolone
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Code:84143
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 2-5 days.


Collection Instructions

Specimen:Blood
Optimal Volume:4 mL
Minimum\Peds Volume:1 mL
Causes for Rejection:Received at room temperature. Collected in a gel top tube. Gross hemolysis, grossly lipemic, or icteric specimens.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.4 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature to arrive within 5 days of collection. Protect refrigerated sample from temperature extremes.
Test Performed at or Referral Lab Lab Sendouts  (Quest)
Referral Lab number:8352


Interpretive

Reference Range:By report. Infants with 21-hydroxylase deficiency may present with non-elevated results.
Use:17-Hydroxypregnenolone is useful in the diagnosis of 3-Beta-Hydroxylase enzyme deficiency, a rare cause of congenital adrenal hyperplasia, and 17-Hydroxylase (P450c17) enzyme deficiency.


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