Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: OPATX
Opiates Confirmation, Chain of Custody, Random, Urine
Testing Algorithm 
Delineates situations when tests are added to the initial order. This includes reflex and additional tests.
Adulterants testing will be performed on all chain of custody urine samples as per regulatory requirements.
Specimen Type Describes the specimen type validated for testing
Specimen Required Defines the optimal specimen required to perform the test and the preferred volume to complete testing
Specimen Type: Urine
Container/Tube: Chain-of-Custody Kit (T282) containing the specimen containers, seals, and documentation required.
Specimen Volume: 20 mL
Collection Instructions: Collect 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. If urine creatinine is required or adulteration of the sample is suspected, the following test should be requested, ADLTX / Adulterants Survey, Chain of Custody, Urine. For additional information, please refer to ADLTX / Adulterants Survey, Chain of Custody, Urine.
2. Submitting <20 mL will compromise our ability to perform all necessary testing.
Forms
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
Reject Due To Identifies specimen types and conditions that may cause the specimen to be rejected
| Gross hemolysis | OK |
| Gross icterus | OK |
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 Type | Temperature | Time | Special Container |
|---|---|---|---|
| Urine | Refrigerated (preferred) | 28 days | |
| Frozen | 28 days | ||
| Ambient | 14 days |