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HelpTest ID FHIPP Toluene as Hippuric Acid, Occupational Exposure, Urine
Method Name
Gas Chromatography/Flame Ionization Detection (GC-FID)
Reporting Name
Toluene as Hippuric Acid, Occup, USpecimen Type
UrineSpecimen 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.
Specimen Minimum Volume
1.2 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 180 days |
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
Performing Laboratory
Medtox Laboratories, Inc.CPT Code Information
83921/Organic acid, single, quantitative
82570/Creatinine, other source
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 |