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HelpTest ID FHIPP Toluene as Hippuric Acid, Occupational Exposure, Urine
Specimen Required
10 mL aliquot of random or spot urine collected at end of shift. Send specimen refrigerated. Tubes should be filled to prevent loss of volatile compound into headspace.
Method Name
Gas Chromatography/Flame Ionization Detection (GC-FID)
Reporting Name
Toluene as Hippuric Acid, Occup, USpecimen Type
UrineSpecimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 180 days |
Reject Due To
| Hemolysis | NA |
| Lipemia | NA |
| Icterus | NA |
| Other | NA |
Reference Values
Creatinine: >50 mg/cL
Hippuric Acid is a metabolite of toluene and benzyl alcohol.
Normal (unexposed population):
Average 0.8 g/L
Exposed:
Biological Exposure Index (BEI):
1.6 g/g creatinine
(toluene exposure: end of shift)
Toxic:
Not established
Day(s) Performed
Monday through Sunday
Report Available
7 to 8 daysPerforming Laboratory
Medtox Laboratories, Inc.CPT Code Information
83921
82570
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| FHIPP | Toluene as Hippuric Acid, Occup, U | Not Provided |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| Z1863 | Creatinine | 2161-8 |
| Z1060 | Hippuric Acid | 6709-0 |
| Z1061 | Hippuric Acid | 13754-7 |