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HelpTest Code UVOLA Volatile Screen, Random, Urine
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Reporting Name
Volatile Scrn, UUseful For
Detecting the presence of acetone, methanol, isopropanol, or ethanol in urine with subsequent quantitation
Ordering Guidance
For best clinical correlation, the recommended tests are either VLTS / Volatile Screen, Serum; or VLTB / Volatile Screen, Blood.
Specimen Required
Supplies: Urine Tubes, 10 mL (T068)
Container/Tube: Plastic, 10-mL urine tube
Specimen Volume: 10 mL
Collection Instructions:
1. Collect a random urine specimen.
2. No preservative is required.
Specimen Minimum Volume
1 mL
Specimen Type
UrineSpecimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 28 days | |
| Ambient | 24 hours |
Day(s) Performed
Monday through Saturday
Reference Values
Methanol:
Not detected (Positive results are quantitated.)
Cutoff concentration: 10 mg/dL
Toxic concentration: ≥10 mg/dL
Ethanol:
Not detected (Positive results are quantitated.)
Cutoff concentration: 10 mg/dL
Isopropanol:
Not detected (Positive results are quantitated.)
Cutoff concentration: 10 mg/dL
Toxic concentration: ≥10 mg/dL
Acetone:
Not detected (Positive results are quantitated.)
Cutoff concentration: 10 mg/dL
Toxic concentration: ≥10 mg/dL
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.Method Name
Headspace Gas Chromatography with Flame Ionization Detector (HSGC-FID)
Testing Algorithm
This test includes analysis of methanol, ethanol, isopropanol, and acetone.CPT Code Information
80320
G0480 (if appropriate)
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| VLTU | Volatile Scrn, U | 24350-1 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 8826 | Volatile Scrn, U | 12983-3 |
| 30904 | Methanol, U | 5695-2 |
| 30905 | Ethanol, U | 5645-7 |
| 30906 | Acetone, U | 5570-7 |
| 30907 | Isopropanol, U | 9434-2 |
| 34378 | Chain of Custody | 77202-0 |
Report Available
1 to 2 daysForms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.