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Vanderbilt Pathology Laboratory Services

Test Directory



URINE PHENOTHIAZINES (UPH)

Department: Toxicology
Test Synonym(s): UPH, Phenothiazines screen
CPT Codes: G0431
Methodology: Color Test
Reference Range: No drugs detected
Tube Type: Routine urine container
Specimen: Urine
Pediatric Requirements: 1 mL (screen only), 2 mL (screen and confirmation)
Volume: 5 mL
Minimum Volume: 1 mL (screen only), 2 mL (screen and confirmation)
Temperature: Refrigerated
Stability: Refrigerated: 7 days, frozen at -20 C: 6 months
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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