Methanol, Plasma
Test Mnemonic
METHOL
CPT Codes
- G0480 - QTY (1)
- 84600 - QTY (1)
- 80320 - QTY (1)
LOINC ®
5693-7
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Plasma | Potassium oxalate/sodium fluoride (Gray) | Centrifuge, aliquot and refrigerate. | Separate plasma from cells as soon as possible. Transfer to standard CCL transport tube. Cap tube tightly to minimize alcohol loss. Do not draw in plasma separator tubes. |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 mL | Plasma | EDTA (Lavender) | Centrifuge, aliquot and refrigerate. | Separate plasma from cells as soon as possible. Transfer to standard CCL transport tube. Cap tube tightly to minimize alcohol loss. Do not draw in plasma separator tubes. | |
| 3 mL | Plasma | Lithium heparin (Green) | Centrifuge, aliquot and refrigerate. | Separate plasma from cells as soon as possible. Transfer to standard CCL transport tube. Cap tube tightly to minimize alcohol loss. Do not draw in plasma separator tubes. | |
| 2 mL | Serum | No additive (Red) | Centrifuge, aliquot and refrigerate. | Separate serum from cells as soon as possible. Transfer to standard CCL transport tube. Cap tube tightly to minimize alcohol loss. Do not draw in plasma separator tubes. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | After separation from cells in a tightly capped tube: 3 days |
| Refrigerated | After separation from cells in tightly capped tube: 14 days |
| Frozen | After separation from cells in tightly capped tube: 14 days |
Days Performed
Sun - Sat
Turnaround Time
1 day
Methodology
| Name | Description |
|---|---|
| Headspace Gas Chromatography |
Reference Range
| Methanol | |||||
|---|---|---|---|---|---|
| Sex | Age From | Age To | Type | Range | Range Unit |
| Years | 99 Years | Normal | <5 | mg/dL |
Special Info
For medical purposes only; not valid for forensic use.
Clinical Info
Reference interval is based off of the assay's limit of quantitation (5mg/dL). Monitor exposure to methanol. Elevated concentrations may cause intoxication, metabolic acidosis, ocular toxicity, CNS depression and fatality if patients do not receive medical treatment.