Organic Acids, Full Panel, Quantitative, Urine [90561]

Test Code

Quest Code

CPT Codes
82570, 83918

78 Organic Acids; Creatinine, Random Urine

Preferred Specimen
13 mL random urine, no preservatives, submitted in (2) sterile urine transport containers

Minimum Volume
4 mL

To prevent delays in testing, the laboratory requests the receipt of two labeled containers:

   •One standard urine transport container (or standard transport tube) containing specimen for organic acid analysis.
   •One standard transport tube labeled for the creatinine analysis-used for normalizing urine results.

If volume is less than 4 mL - call the Biochemical Genetics Laboratory for instructions.
Do not use preservatives. Avoid fecal contamination of urine. Patient age is required for correct reference range. Strict frozen. Do not thaw. Do not use preservatives.

Transport Temperature

Specimen Stability
Frozen: 28 days

Gas Chromatography/Mass Spectrometry (GC/MS)

Setup Schedule

Report Available
12 to 13 days

Reference Range
See Laboratory Report

Clinical Significance
Organic acidurias are a group of inborn errors of metabolism that may lead to acute life-threatening illness, developmental delays, and metabolic decompensation. Positive results may warrant confirmation by alternative specific methods.

Performing Laboratory
Quest Diagnostics Nichols Institute San Juan Capistrano
33608 Ortega Highway
San Juan Capistrano, CA 92675

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.