| 12486-7 | Butabarbital in Gastric fluid (qualitative) |
| 12496-6 | Butabarbital (Stool, qualitative) |
| 16191-9 | Butabarbital (Urine, qualitative, confirmatory method) |
| 16236-2 | Butabarbital (Urine, confirmatory method) |
| 16497-0 | Butabarbital in Gastric fluid |
| 18384-8 | Butabarbital (confirmatory method) |
| 19368-0 | Butabarbital (Urine, qualitative, screen method) |
| 19370-6 | Butabarbital (Urine) |
| 25357-5 | Butabarbital |
| 26689-0 | Butabarbital in Vitreous fluid |
| 26733-6 | Butabarbital (Stool) |
| 26923-3 | Butabarbital (Hair) |
| 27061-1 | Butabarbital in Meconium |
| 32054-9 | Butabarbital in Specimen (qualitative) |
| 3417-3 | Butabarbital (qualitative) |
| 3418-1 | Butabarbital |
| 3419-9 | Butabarbital (Urine, qualitative) |
| 75645-2 | Butabarbital (Blood, confirmatory method) |
| 82972-1 | Butabarbital, Plasma or Blood (confirmatory method) |