Test Directory

Clear All
Test Code
PREGN
Test Name
17-Hydroxypregnenolone
CPT Codes
84143
Expected Turnaround Time
5 - 10 days
Specimen and Container Info

Specimen Type: Serum

Alternate Specimen Type: Plasma

Collection Container: Gold Top, Serum Separator or Red Top, Plain

Alternate Collection Container: Lavender Top (EDTA)

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect specimen in gold top, serum separator tube via venipuncture.
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a LabCorp pp transpak frozen purple tube.
  3. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Room Temperature

 6 hours

Refrigerated

 1 day

Frozen

2 years
Causes for Rejection
  • Nonserum or non-EDTA plasma specimen received.
Methodology
High Performance Liquid Chromatography-Tandem Mass Spectrometry
Reference Intervals

 See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Monday-Friday
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
© 2026 HNL Lab Medicine. All rights reserved.