Test Directory

Test Code
17HYD
Test Name
17-Hydroxycorticosteroids, Urine
CPT Codes
83491
Included Tests
  • Creatinine, Urine - per volume
  • Creatinine, Urine - per 24h
  • 17Hydroxycorticoster. mg/g CRT
  • 17 OH-Corticosteroids mg/day
Expected Turnaround Time
6 - 9 days
Specimen and Container Info

Specimen Type: 24 hour urine 

 

Collection Container: 24 Hour Plastic Urine Container 

Alternate Collection Container: Plastic Urine Container (Preservative Free) 

 

Desired Specimen Volume: 12 mL

Collection Instructions
  1. Collect 24-hour urine in a timed collection kit.
  2. Specimen must be maintained refrigerated during collection.
Processing and Submission Instructions
  1. Transfer 12 mL of urine from a well-mixed 24-hour collection to a plastic urine container (screw cap & preservative free).
  2. Freeze immediately.
Transport Instructions

Transport to the laboratory frozen.

Stability Requirements

Frozen

1 month
Causes for Rejection
  • Alkali preservatives (e.g. specimens previously preserved with NaOH).
Methodology
Quantitative Colorimetry
Reference Intervals

See patient report.

Alternate Names
  • Cortisol Free Urine
  • Free Urinary Cortisol
  • Urinary Free Cortisol
  • 17-Hydroxycorticosteroids
  • 17-Ketogenic Steroid
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 2 times per week