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Test Code FBEN Benzene, Occupational Exposure, Blood

Reporting Name

Benzene, Blood

Performing Laboratory

Medtox Laboratories, Inc.

Specimen Type

WB Sodium Heparin


Specimen Required


Draw blood in a green-top (sodium heparin) tube(s) and send 20 mL in two tubes of sodium heparin whole blood refrigerated. Blood should be drawn at end of shift. Tubes should be filled to prevent loss of volatile compound into headspace.


Specimen Minimum Volume

2.5 mL (in two tubes)

Specimen Stability Information

Specimen Type Temperature Time
WB Sodium Heparin Refrigerated (preferred) 14 days
  Frozen  365 days

Reject Due To

Hemolysis

NA

Thawing

NA

Lipemia

NA

Icterus

NA

Other

NA

Reference Values

Units:    mg/L

 

Normal (unexposed population):

None detected

Exposed (end-of-shift):

Blood benzene concentrations of greater than 0.1 mg/L correlate with exposure to greater than 10 ppm benzene in air.

Toxic:

Blood benzene concentrations greater than 0.90 mg/L have been observed in fatal cases of benzene exposure.

 

Day(s) and Time(s) Performed

Monday through Sunday

CPT Code Information

84600

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FBEN Benzene, Blood 9330-2

 

Result ID Test Result Name Result LOINC Value
Z1153 Benzene 9330-2

Analytic Time

7 days

Method Name

Headspace Gas Chromatography/Flame Ionization Detection (GC-FID)