Hippuric Acid, Urine

Test Code

725

CPT Codes
82570, 83921

Includes

Creatinine

Preferred Specimen

3 mL urine collected in a preservative-free plastic container

Minimum Volume

1.1 mL

Instructions

Collect sample at the end of shift.
The acidification of the urine with 1 mL acetic acid per 100 mL urine will prolong the stability of the analyte.

Transport Temperature

Refrigerated (cold packs)

Specimen Stability

Room temperature: 5 days
Refrigerated: 30 days
Frozen: 30 days

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Received room temperature

Methodology
Colorimetry (C) • High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)

FDA Status
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.

Setup Schedule

Set up: As needed; Report available: 8 days (If Positive: 12 days)

Reference Range

See Laboratory Report

Clinical Significance

Excretion of hippuric acid is decreased in patients with intrinsic hepatic disease, such as cirrhosis or severe hepatitis.

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.