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Test Code ZW51 17-Ketosteroids with Creatinine, 24 hr Urine

Important Note

1. Order a .Mayo Miscellaneous

2. Test Code: ZW51        Test Name: 17-Ketosteroids with Creatinine, 24 hr Urine

3. In Order notes: Quest Test # 21826

Methodology

Colorimetric with Modified Zimmerman Reaction

Specimen Requirements

24 hr Urine, collect with 10 grams boric acid

or 25 mL of 50% acetic acid

or 30 mL N HCL during collectiom to maintain pH below 7.5.

 

Volume: 20 mL

Minimum Volume: 10 mL

Send Refrigerated

Day(s) Test Set Up

Monday-Thursday           

Min/Max Time: 5-8 days

Performing Laboratory

Quest Diagnostics

We will send to Mayo Laboratory who will forward to Quest.

Performing Location

Quest Diagnostics Chantilly

CPT Code

82570

83586

Specimen Stability

  • Room temperature: 8 hours

  • Refrigerated: 7 days

  • Frozen: 30 days