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Lab Test Directory
| UWHC Lab Test Details | |||||
|---|---|---|---|---|---|
| Test Name | Ethylene Glycol | ||||
| Test Code(s) | HCETGL | ||||
| CPT Code(s) | 82693 | ||||
| Test Description |
| ||||
| Methodology | Gas Chromatography | ||||
| Clinical Information | For all suspected ingestion cases and after hours testing, please order the Ethylene Glycol and Volatiles (Methanol and Isopropanol) Screen.
Volatiles and Ethylene Glycol testing is performed stat when received between the hours of: 0700-1530 weekdays and limited hours on weekends and holidays.
For more information, please see the test directory entry for Ethylene Glycol and Volatiles Screen. | ||||
| Testing Site | University Hospital | ||||
| Days Performed | Mon-Fri, dayshift. | ||||
| In-Lab Turnaround Time | 1 day. | ||||
| Stat In-Lab Turnaround Time | 2 hours. | ||||
| Collection Requirements | |||
|---|---|---|---|
| Specimen | Blood | ||
| Collection Container |
| ||
| Collection Volume | 3 mL | ||
| Pediatric Collection Volume | 1 mL | ||
| Specimen Processing Requirements | |||||||
|---|---|---|---|---|---|---|---|
| Stability |
| ||||||
| Sample Analyzed | Serum | ||||||
| Testing Volume | 1 mL | ||||||
| Pediatric Testing Volume | 0.3 mL | ||||||
| Specimen Processing | Centrifuge as soon as possible. Transfer cell-free serum to plastic vial within 2 hours of collection. Refrigerate. | ||||||
| Specimen Transport | Transport specimen to laboratory. Transport with coolant pack if coming from clinic location. | ||||||
| Unacceptable Criteria | Do NOT draw using red cap with yellow ring or gold cap (SST) top tube. | ||||||
| Interpretation | |
|---|---|
| Interpretive Guidelines | Lower limit of detection is 2.0 mg/dL. After ingestion of ethylene glycol, the level may reach 500.0 mg/dL.
|
| Critical Calls | View here |
| Additional Information | Ethylene glycol results of >2.0 mg/dL will be called. Result of <2.0 mg/dL indicates that the result is below method detection limit of 2.0 mg/dL.
The half-life of ethylene glycol is 3-6 hours. A lethal dose of ethylene glycol is 1-2 mg/kg body weight. Propylene glycol can also be detected by this method.
This test was developed and its performance characteristics determined by the UWHC Clinical Laboratories. This test meets the standards for clinical testing. This test should not be regarded as investigational or for research use. The US Food and Drug Administration (FDA) has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary. |
