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HelpTest Code UVOLTB Volatile Screen, Random, Urine
Additional Codes
MAYO: VLTU
EPIC: LAB2145
Reporting Name
Volatile Scrn, UUseful For
Detecting the presence of acetone, methanol, isopropanol, or ethanol in urine with subsequent quantitation
Performing Laboratory
Mayo Clinic Laboratories in Rochester
Specimen Type
UrineOrdering Guidance
For best clinical correlation either VLTS / Volatile Screen, Serum or VLTB / Volatile Screen, Blood is recommended.
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.
Specimen Minimum Volume
1 mL
Specimen Stability Information
| Specimen Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 14 days | |
| Frozen | 28 days | ||
| Ambient | 24 hours |
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
Day(s) Performed
Monday through Friday
Test Classification
This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.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
Same day/1 to 2 daysReject Due To
| All specimens will be evaluated at Mayo Clinic Laboratories for test suitability. |
Method Name
Headspace Gas Chromatography-Flame Ionization Detector (HSGC-FID)
Secondary ID
8826Testing Algorithm
This test includes analysis of methanol, ethanol, isopropanol, and acetone.Forms
If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.