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Alcohol, Methyl
Test Code643
CPT Codes
80320 (HCPCS: G0480)
Preferred Specimen
5 mL whole blood collected in a sodium fluoride or fluoride oxalate (gray-top) tube
Patient Preparation
Do not use alcohol solutions as a skin preparation for drawing specimens. Use a non-alcohol solution such as Betadine® or Zephiran®.
Minimum Volume
0.5 mL
Other Acceptable Specimens
Whole blood collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, lithium heparin (green-top) tube • Plasma collected in: EDTA (lavender-top) tube, sodium heparin (green-top) tube, lithium heparin (green-top) tube • Serum
Instructions
1 unopened whole blood. Keep specimen tightly capped. Prevent exposure to atmosphere.
Transport Container
Sodium fluoride (gray-top) or fluoride oxalate (gray-top) tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: Unacceptable
Refrigerated: 14 days
Frozen: Unacceptable
Methodology
Chromatography
FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Am/pm Tuesday-sunday
Report Available
2 days
Reference Range
None detected
Clinical Significance
Methanol can be consumed intentionally or accidentally. It is an ingredient in antifreeze, cleaning fluids and is used as a solvent. The CNS effects of methanol are less than ethanol. However, this substance is far more toxic since ingestion can lead to acidosis and optic neuropathy which can result in blindness or death. Methanol is oxidized to formaldehyde.
Performing Laboratory
| Quest Diagnostics - Great Lakes Region |
