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HelpTest Code ETOH Alcohol (ETOH)
Additional Codes
| EPIC | LAB4086 |
Clinical Significance
Ethyl alcohol determinations are among the most frequent analyses required in the forensic and clinical toxicology laboratory. Ethyl alcohol measurements are used in the diagnosis and treatment of alcohol intoxication and poisoning.
Source: Roche Cobas ETOH2 Method Sheet Version 3.0 2024-09
Methodology
Enzymatic method (Roche Cobas c503)
Sample Type
| Preferred Sample Type | |
|---|---|
| Light green top - Plasma | |
| Acceptable Sample(s) | |
|---|---|
| Dark green top - Plasma | |
| Yellow top - Serum | |
| Red top - Serum | |
Centrifuge: Yes
Specimen Minimum Volume
55 uL with insert cup
Specimen Stability
| Temperature | Time |
|---|---|
| Ambient (25°C) | 2 days |
| Refrigerated (5°C) (store) | 2 weeks |
| Frozen (-15°C) | 4 weeks* |
Separate plasma or serum from cells within 2 hours
NOTE: Specimen stability limits are only valid for capped specimens.
*Freeze only once!
Reference Ranges
| Reference Ranges | |
|---|---|
| 50 - 100 mg/dL | Flushing, slowing of reflexes, impaired visual activity |
| >100 mg/dL | Depression of CNS |
| >400 mg/dL | Fatalities reported |
| Critical Value |
|---|
| >290 mg/dL |
| Technical Range |
|---|
| 10.1 - 498 mg/dL |
Rejection Criteria
| Hemolysis | Index >200 |
|---|---|
| Icteric | Index >30 |
| Lipemia | Index >500, ultracentrifuge |
Availability
| Performed | STAT |
|---|---|
| 24/7 | Yes |
Performing Laboratory
MultiCare Yakima Memorial Hospital Laboratory
Lab Department
Chemistry
CPT Code
82077
LOINC
5643-2 Ethanol [Mass/Vol]