Citric Acid, Urine

Test Code

13809

CPT Codes
82507, 82570

Preferred Specimen

4 mL of a 24 hour urine collected in a 24-hour urine collection container

Minimum Volume

0.5 mL

Other Acceptable Specimens

4 mL random urine collected in a plastic, urine container

Instructions

Refrigerate during collection.

Adjust pH to less than or equal to 2 by adding 6M HCl. Transfer a 4 mL aliquot of urine to an ARUP Standard Transport Tube (Min: 0.5 mL). Record total volume, collection time interval, and pH on transport tube and test request form.

Also acceptable: Specimens previously preserved with boric acid.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 8 hours
Refrigerated: 14 days
Frozen: 30 days

Methodology
Quantitative Enzymatic Assay

FDA Status
This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Setup Schedule

Set up: Daily; Report available: 1 day

Reference Range

See Laboratory Report

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.