Positive diphenhydramine interference in the EMIT-d.a.u. assay.
D004155:Diphenhydramine / Q000652:urine*; D005189:False Positive Reactions; D006801:Humans; D007124:Immunoenzyme Techniques; D008691:Methadone / Q000652:urine*; D019966:Substance-Related Disorders / Q000652:urine*
D004155:Diphenhydramine; D008691:Methadone