CORTISOL FREE, URINE, 24 HOUR

Message

Add 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)

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

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.