17-Hydroxycorticosteroids with Creatinine, 24-Hour Urine [15202X]

Test Code
21846

CPT Codes
82570, 83491

Preferred Specimen
20 mL of a 24-hour urine, preserved with 10 g Boric acid submitted in a plastic, leak-proof container

Minimum Volume
10 mL

Other Acceptable Specimens
24-hour urine preserved with 50% acetic acid, or 30 mL of 6N Hcl acid, submitted in a plastic, leak-proof urine container

Instructions
-Collect urine with 10 g Boric acid (preferred) or 25 mL of 50% acetic acid or 30 mL of 6N Hcl acid (acceptable). Keep urine refrigerated during collection.
-Mix well and record the total volume on the test request form and urine container.
-Specimen required is 20 mL of 24 hours urine preserved in 10 g Boric acid (preferred) or 25 mL of 50% acetic acid or 30 mL of 6N Hcl acid (acceptable) in a plastic leak-proof urine container

Transport Temperature: Refrigerated (preferred) or frozen (acceptable).
Note: If sample received frozen without preservative and the pH is under 7.5 this does not need a disclaimer.

Transport Temperature
Refrigerated (cold packs)

Specimen Stability
Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Specimens exceeding stability limit • Specimens without preservatives

Methodology
Colorimetric with Porter-Silber Reaction

Setup Schedule
Set up: Tues, Fri a.m.; Report available: 1-5 days

Reference Range
See Laboratory Report

Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Drive
Chantilly, VA 20153



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.