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HelpTest Code UVOLTB Volatile Screen, Random, Urine
Additional Codes
| Mayo | VLTU |
| Epic ID | LAB2145 |
Special Instructions
Specimen Type
UrineOrdering 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 Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Urine | Refrigerated (preferred) | 14 days |
| Frozen | 28 days | |
| Ambient | 24 hours |
Transport refrigerated.
Reject Due To
All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.Performing Laboratory
Mayo Clinic Laboratories in Rochester
Method Name
Headspace Gas Chromatography with Flame Ionization Detector (HSGC-FID)
Testing Algorithm
This test includes analysis of methanol, ethanol, isopropanol, and acetone.Useful For
Detecting the presence of acetone, methanol, isopropanol, or ethanol in urine with subsequent quantitation
Day(s) Performed
Monday through Saturday
Report Available
1 to 2 daysReference 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
CPT Code Information
G0480
80320 (if appropriate for select payers)