Test ID: Z1914
CPT code: 84600
LOINC: 9330-2
Specimen Type: Green-top (heparin) tubes
Frequency: 10 – 14 days
Instructions: 20 mL Whole Blood from Green-top (heparin) tubes, Ambient. Min 7 mL. .
Text: Used to evaluate exposure to benzene
Methodology: Headspace gas chromatography/flame ionization detection (GC/FID)