Effective January 2023 Southwest Labs no longer accepts appointments, we apologize for any inconvenience this may cause. For questions about test results or billing, please contact our main lab.
Individual analytes can be ordered separately or together as a group.
Dextrophan
Meperidine
Naloxone
Sample Type:
Urine
Volume:
20mL
Minimum Volume:
3mL
Container:
Sterile plastic urine cup
Storage Instructions:
Maintain specimen at room temperature. If arrival extends beyond seven days, then refrigerate.
Expected turnaround time:
1 – 3 days (TAT is the interval starting when a specimen and order are received in the laboratory and ends with release of the test result.) In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.