17-HYDROXYCORTICOSTEROIDS, 24-HOUR URINE

Test Documentation
Specimen Required
Collect 24 hour urine, keep refrigerated during collection. Acidify with 10 grams boric acid, or 25 mL 50% Acetic Acid or 6NHCl. Mix well and send 20.0 mL acidified urine (10.0 mL minimum) refrigerated in a screw-capped plastic urine container.

Methodology
Colorimetric with Porter-Silber reaction

Stability
Room Temperature: 8 hours; Refrigerated: 7 days; Frozen: 30 days

Reference Range
By report

Performed
Tuesday-Thursday

Turnaround Time3-5 days
Test CodeU17CR
CPT-4 Code (s)
83491, 82570
LOINC Codes
Creatinine 24 hr   Not available  
17 OH Corticosteroids   not available  
Total Volume   Not available  

Warde
Medical
Laboratory