Test ID: ZG446
CPT code: 82542
LOINC:
Specimen Type: Red nongel or Na Hep nongel
Frequency: Setup: Daily; Analytic time 3 days
Instructions: 3.0mL Serum from red nongel tube. Green nongel plasma acceptable.
Refrigerate. Trough preferred. Min 0.6 may not be adequate for repeat.
Text: Meperidine is a narcotic analgesic used to relieve moderate to severe
pain. It works by changing the way the body senses pain.
Trough levels are the most reproducible.
Methodology: LC/MS/MS