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Test ID VLTU Volatile Screen, Random, Urine

Useful For

Detecting the presence of acetone, methanol, isopropanol, or ethanol in urine with subsequent quantitation

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Specimen Type

Urine


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 Stability Information

Specimen Type Temperature Time
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 Saturday

CPT Code Information

G0480

80320 (if appropriate for select payers)

Clinical Toxicology CPT Code Client Guidance

Report Available

1 to 2 days

Reject Due To

  All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Secondary ID

8826

Testing 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.