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CORTISOL FREE, URINE, 24 HOUR
MessageAdd 10 gm Boric Acid preservative prior to the start of the collection.
Test Code
CRFU2
CPT Codes
82530
Preferred Specimen
24 Hour Urine Container with 10 gm Boric Acid preservative
(aliquot or transfer urine into a transfer tube and note the total volume)
(aliquot or transfer urine into a transfer tube and note the total volume)
Minimum Volume
2 mL Aliquot
Instructions
- Mix the specimen well and measure the 24-Hour volume (RECORD THE TOTAL VOLUME)
- Pour off 20 mL of urine into a separate plastic screw-cap container
- Refrigerate if not tested immediately
This collection requires a urine preservative which is added prior to collection.
Transport Temperature
Refrigerate
Specimen Stability
- 2-8°C up to 7 days
Methodology
CIA
Setup Schedule
M, T, W, Th, F, Sa, Sun
Report Available
Same day tested by the performing laboratory.
Reference Range
Non-extracted: 58 - 403 ug/24 hours
Performed By
Alverno Laboratories
Performing Laboratory
Alverno Central Lab
NCHB2 (Chemistry, Beckman DxI)
Additional Information
24 Hour Urine Collection
Last Updated: July 5, 2023