| 14826-2 | Meperidine in Gastric fluid (qualitative) |
| 16207-3 | Meperidine (Urine, qualitative, confirmatory method) |
| 16253-7 | Meperidine (Urine, confirmatory method) |
| 19532-1 | Meperidine (Urine, qualitative, screen method) |
| 29400-9 | Meperidine in Gastric fluid |
| 32088-7 | Meperidine in Specimen (qualitative) |
| 35617-0 | Meperidine (screen method) |
| 3744-0 | Meperidine (qualitative) |
| 3745-7 | Meperidine |
| 3746-5 | Meperidine (Urine, qualitative) |
| 3747-3 | Meperidine (Urine) |
| 3748-1 | Meperidine in 24 hour Urine |
| 57864-1 | Meperidine in Specimen |
| 59924-1 | Meperidine |
| 72749-5 | Meperidine (oral fluid) (Saliva, confirmatory method) |
| 73729-6 | Meperidine (Hair, qualitative) |
| 73934-2 | Meperidine, Plasma or Blood |
| 74108-2 | Meperidine (oral fluid) (Saliva, qualitative, screen method) |
| 74378-1 | Meperidine in Unknown substance |
| 75647-8 | Meperidine in Meconium (qualitative) |
| 87497-4 | Meperidine, Plasma or Blood (qualitative, screen method) |
| 97268-7 | Meperidine in Cord tissue (qualitative, screen method) |
| 97269-5 | Meperidine in Cord tissue (qualitative, confirmatory method) |