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Test Code BLOD1410 Volatile Screen, Serum

Additional Codes

Mayo Test Code: VLTS

Useful For

Detection and quantitation of acetone, methanol, isopropanol, and ethanol in serum

 

Quantification of the concentration of ethanol in serum correlates with degree of intoxication

 

Evaluation of toxicity to the measured volatile substances

Performing Laboratory

Mayo Medical Laboratories in Rochester

Specimen Type

Serum


Specimen Required


Ethylene glycol requires a separate request. See ETGL / Ethylene Glycol, Serum.

 

Submit only 1 of the following specimens:

 

Preferred:

Container/Tube: Serum gel

Specimen Volume: Full tube

Collection Instructions:

1. Arm must be cleansed with water only.

2. Avoid exposure of specimen to atmosphere.

3. Do not aliquot.

 

Acceptable:

Container/Tube: Red top

Specimen Volume: Full tube

Collection Instructions: 

1. Arm must be cleansed with water only.

2. Avoid exposure of specimen to atmosphere.

3. Centrifuge specimen within 2 hours of draw and send serum aliquot to laboratory refrigerated.


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Refrigerated (preferred) 72 hours
  Frozen  14 days
  Ambient  24 hours

Reference Values

METHANOL

Not detected (Positive results are quantitated.)

Toxic concentration: ≥10 mg/dL

 

ETHANOL

Not detected (Positive results are quantitated.)

Toxic concentration: ≥400 mg/dL

 

ISOPROPANOL

Not detected (Positive results are quantitated.)

Toxic concentration: ≥10 mg/dL

 

ACETONE

Not detected (Positive results are quantitated.)

Toxic concentration: ≥10 mg/dL

Day(s) and Time(s) Performed

Monday through Sunday; Varies

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)

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

NA

 

Method Name

Headspace Gas Chromatography-Flame Ionization Detector (HSGC-FID)

Testing Algorithm

This test includes analysis for methanol, ethanol, isopropanol, and acetone.