Oxidant Detection
| Test Mnemonic | Oxidant |
|---|---|
| CPT Code | 80307 |
| Also Known As | Creat |
| Specimen Type | OX |
| Specimen Container | Plastic container w/ tightly fitting cap |
| Alternate Speciman Type | None |
| Preferred Volume | 1.0 mL |
| Minimum Volume | 0.5 mL |
| Specimen Collection | Routine voided urine collection |
| Specimen Process | Collect freshly voided urine in plastic containers |
| Specimen Transport Storage | Refrigerated |
| Specimen Stability | 7 days room temperature (18-30°C); 3 days refrigerated (2-8°C); 3 months frozen (-20°C or less) |
| Specimen Rejection | • Improperly labeled. • Incomplete information on the requisition. • Too old for processing. • Failure to meet volume criteria. • Leaking primary or secondary specimen container. • Wrong collection container for test ordered. • Gross contamination. • Improper storage |
| Methodology | Colorimetric |
| Use | For the detection of urine adulteration by oxidizing compounds. |
| Clinical Signifigance | A complete urine drug abuse testing program normally involves specimen collection, initial screening with an immunoassay, followed by a confirmation test, such as gas chromatography/mass spectrometry for the positive samples. Many drug users will attempt to evade detection by adulterating the specimen to produce false negative results during the initial immunoassay screening. Adulteration methods include dilution with water, substitution with a drug free liquid, addition of readily available household materials or tampering with certain chemicals. |
| Reference Range | <200 ng/mL is Unadulterated |
| Day Run | Mon-Fri |
| Time Run | As Received |
| Time Reported | 3 days |
| Test Type | Tox |
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