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17-Ketosteroids with Creatinine, 24-Hour Urine [15201X]
Test Code21826
CPT Codes
82570, 83586
Includes
CPT code 81050 may be added at an additional charge for volume measurement
Preferred Specimen
20 mL of 24 hour urine preserved in 10 g Boric acid submitted in a plastic, leak-proof urine container
Minimum Volume
10 mL
Other Acceptable Specimens
24-hour urine preserved in 25 mL of 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.
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 Modified Zimmerman Reaction
Setup Schedule
Set up: Tues, Fri a.m.; Report available: 1-4 days
Limitations
See Laboratory Report
Reference Range
See Laboratory Report
