| 6034 | Hemagglutination Inhibition, Methadone | Methadone Test System. |
| 6034 | Hemagglutination Inhibition, Methadone | Methadone Test System. |
| K950182 | URINE METHADONE SCREEN FLEX(TM) REAGENT CARTRIDGE | E.I. DUPONT DE NEMOURS & CO., INC. |
| K801509 | HI-M-TEST FOR METHADONE TEST #2 | TECHNAM, INC. |
| K760075 | KIT, METHADONE (TOXI-PAK IMMUNO HI) | J.T. BAKER CHEMICAL CO. |