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Test Code
OAUR
Test Name
Organic Acids, Urine
CPT Codes
83918
Included Tests
  • Lactic Acid, Urine
  • Pyruvic Acid, Urine
  • Succinic Acid, Urine
  • 2-Ketoglutaric Acid, Urine
  • Fumaric Acid, Urine
  • Methylmalonic Acid, Urine
  • 3-OH-Butyric Acid, Urine
  • Acetoacetic Acid, Urine
  • 2-Keto-3-methylvaleric Acid, Urine
  • 2-Ketoisocaproic Acid, Urine
  • 2-Ketoisovaleric Acid, Urine
  • Ethylmalonic Acid, Urine
  • Adipic Acid, Urine
  • Suberic Acid, Urine
  • Sebacic Acid, Urine
  • 4-OH-phenylacetic Acid, Urine
  • 4-OH-phenyllactic Acid, Urine
  • 4-OH-phenylpyruvic Acid, Urine
  • Succinylacetone, Urine
  • Organic Acids, Urine Interpretation
  • Creatinine, Urine
Expected Turnaround Time
10 - 14 days
Clinical Utility
Diagnostic evaluation of patients with possible organic acidemias, fatty acid oxidation disorders, and other conditions.
Specimen and Container Info

Specimen Type: Random Urine

  

Collection Container: Plastic Urine Container (Preservative Free) 

    

Desired Specimen Volume: 9 mL
Collection Instructions
  1. Collect random urine in a plastic urine container (preservative free).
  2.  Avoid dilute urine, when possible.
Processing and Submission Instructions
  1. As soon as possible after urine has been obtained, mix the collection well.
  2. Transfer 9 mL of urine to clear aliquot tubes (screw caps).
  3. Freeze immediately.
  4. Separate specimens must be submitted when multiple tests are ordered.
  5. Submit a Biochemical Genetic Testing Patient History Form along with the specimen.
Transport Instructions

Transport to the laboratory frozen. 
Stability Requirements

Frozen

1 month
Methodology
Gas Chromatography/Mass Spectrometry (Gc/Ms)
Reference Intervals

 See patient report.
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 5 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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