Test Catalog

Test ID: PDSUX    
Drug Screen, Prescription/Over the Counter, Chain of Custody, Random, Urine

Specimen Type Describes the specimen type validated for testing


Additional Testing Requirements

If urine creatinine is required or adulteration of the sample is suspected, also order, ADLTX / Adulterants Survey, Chain of Custody, Random, Urine.

Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing

Supplies: Chain-of-Custody Kit (T282) containing the specimen containers, seals, and documentation is required.

Specimen Volume: 30 mL

Collection Instructions: Collect a random specimen in the container provided, seal, and submit with the associated documentation to satisfy the legal requirements for chain-of-custody testing.

Additional Information

1. Submitting less than 30 mL will compromise the ability to perform all necessary testing.

2. See Prescription and Over-the-Counter (OTC) Drug Screens in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test


1. Chain-of-Custody Request is included in the Chain-of-Custody Kit (T282).

2. If not ordering electronically, complete, print, and send a Therapeutics Test Request (T831) with the specimen.

Specimen Minimum Volume Defines the amount of sample necessary to provide a clinically relevant result as determined by the Testing Laboratory

1.1 mL

Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Specimen Stability Information Provides a description of the temperatures required to transport a specimen to the performing laboratory, alternate acceptable temperatures are also included

Specimen TypeTemperatureTimeSpecial Container
UrineRefrigerated (preferred)14 days
 Frozen 14 days
 Ambient 3 hours