Formic Acid, Urine

Test Code

6142

CPT Codes
82570, 83921

Includes

Creatinine

Preferred Specimen

3 mL random urine collected in a plastic urine container

Minimum Volume

1.4 mL

Instructions

Collect specimen prior to the last shift of the work week.

Transport Temperature

Frozen

Specimen Stability

Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 16 months

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

Received room temperature • Received refrigerated

Methodology
Colorimetry • Gas Chromatography (GC)

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

Setup Schedule

Set up: As needed; Report available: 8 days (if positive: 12 days)

Clinical Significance

Formic acid is a metabolite of, and an index of exposure to formaldehyde (which disappears from urine in minutes).

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.