Ethyl Benzene Metabolite Profile, Urine

Test ID: 

703700

CPT code:

83921, 82570

Clinical Use:

Monitor exposure to ethyl benzene

Test Information:

BEI® are reference values intended as guidelines for evaluation of occupational exposure. BEI® represent biological levels of chemicals that correspond to workers with inhalation exposure equivalent to the threshold limit value (TLV®) of the chemicals. TLVs refer to the airborne concentrations of substances and represent conditions under which it is believed that nearly all workers may be repeatedly exposed, day after day, without adverse health effects

Specimen Type:

Urine

Requested Volume: 

5 mL

Minimum Volume: 

2.2 mL

Container Type: 

Plastic urine container, no preservative

Collection:

Sampling time is the end of the shift at the end of the work week for industrial exposure monitoring. Metabolites with timing “end of shift at the end of the work week” (meaning four or five consecutive working days with exposure) are eliminated with half-lives longer than five hours. Such metabolites accumulate in the body during the work week; therefore, their timing is critical in relation to previous exposures.

Storage Instructions:

Maintain specimen at room temperature.

Stability Requirements:

Temperature

Period

Room temperature

7 days

Refrigerated

14 days

Frozen

14 days

 

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