o-, m-, p-Xylene (as Methylhippuric Acid), Occupational Exposure, Urine

CPT: 82570; 83921
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Test Details

Synonyms

  • Xylene

Use

Evaluate exposure to o-, m-, p-xylene

Methodology

Gas chromatography/flame ionization detection (GC/FID); spectrophotometry (SPEC)

Specimen Requirements

Specimen

Urine (random)

Volume

10 mL

Minimum Volume

2 mL

Container

Plastic urine container without preservative

Collection

Urine container should be filled to prevent loss of volatile compound into headspace.

Storage Instructions

Refrigerate; specimen may also be frozen.

Causes for Rejection

Urine from preservative tube

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