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Test ID FFTLB Toluene, Occupational Exposure, Blood

Method Name

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

Reporting Name

Toluene, Blood

Specimen Type

WB Sodium Heparin

Specimen Required

Draw blood in 2 green top (sodium heparin) tubes. Tubes should be filled to prevent loss of volatile compound into headspace. Send 20 mL of sodium heparin whole blood refrigerated.

Specimen Minimum Volume

5 mL

Specimen Stability Information

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

Reference Values

Units:    mg/L


Normal (unexposed population):            None detected



Biological Exposure Index (BEI):            0.05 mg/L (prior to last shift of workweek)

Biological Tolerance Value (BAT):           1.0 mg/L (end of exposure or end of shift)



Blood levels between 50 and 79 mg/L were found in people who died of acute toluene inhalation.


Day(s) Performed

Monday through Sunday

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FFTLB Toluene, Blood 9637-0


Result ID Test Result Name Result LOINC Value
Z1203 Toluene 9637-0

Report Available

7 to 11 days

NY State Approved