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Laboratory Test Directory

Organic Acids, Urine

Components

Name Method Department Units
Organic Acid, Urine Package Gas Chromatography/Mass spectrometry
Core Lab, Metabolic chemistry

Specimen Requirements

Urine

Container Type Container Size Specimen Volume
Preferred

Sterile container

N/A 5 mL
Stability

Refrigerated - 4 hour(s)
Frozen - Indefinite week(s)

Specimen Preparation

  • Refrigerate after collection
  • Transport to laboratory as soon as possible
  • If delay in transport is greater than 4 hours, freeze

Reasons for Rejection

  • Collected in diaper or cotton balls

Comments

Indicate if patient is receiving a formula containing medium chain triglycerides (MCT).

CPT Code

  • 83919