Pregnenolone - Pediatric

Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Pregnenolone - Pediatric
Methodology:Liquid chromatography/Tandem mass spectrometry
CPT Codes: 84140 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 1-4 days.

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Collection Instructions

Optimal Volume:1 mL
Minimum\Peds Volume:0.6 mL
Container:Red (no gel) on ICE
Causes for Rejection:Gross hemolysis. Samples collected in a gel top tube. Room temperature specimens.

Processing and Shipping

Specimen Processing:Allow blood to clot for 30 minutes at room temperature. Centrifuge and aliquot 0.5 mL, 0.2 mL minimum. Freeze as soon as possible.
Shipping Instructions:Ship frozen.
Stability:72 hours refrigerated; 14 days frozen at -20°C; 30 days frozen at -70°C
Test Performed at or Referral Lab Lab Sendouts  (Quest Diagnostics)
Referral Lab number:31493X


Reference Range:
Age ng/dL
1-59 d 68-1303
60 d - 1 y ≤ 219
2-6 y ≤ 140
7-9 y ≤ 156
10-12 y 15-220
13-17 y 12-196

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