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Vanderbilt Pathology Laboratory Services

Test Directory



URINE AMPHETAMINES (UDA)

Department: Toxicology
Test Synonym(s): UDA
Test Components: Amphetamines, Sympathomimetic amines, Ecstasy etc.
CPT Codes: G0434
Methodology: Enzyme Immunoassay
Reference Range: No drugs detected
Tube Type: Routine urine container
Specimen: Urine (pH range of 3-11 acceptable)
Alternate Specimen: None
Pediatric Requirements: 1 mL (screen only)
Volume: 5 mL
Minimum Volume: 1 mL (screen only), 2 mL (screen and confirmation)
Temperature: Refrigerated if not delivered to the lab immediately
Stability: Refrigerated: 5 days, if longer store frozen at -20C or less (Freezers should be frost free models)
Reasons for Rejection: QNS (quantity not sufficient)
Days Performed: Daily
Times Performed: Continuous
TAT: Stat: 1 hour, routine: 2 hours
Special Instructions: All presumptive positive immunoassays are automatically confirmed by an alternate specific technique.

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