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I'm not sure I understand. Does the PROC CODE 80101 (drug screen single) indicate positive or negative? As well as:
83925 - assay of opiates
80154 - assay of benzodiazepines
80154 - gas/liquid chromatography
83840 - assay of methadone
82145 - assay of amphetamines
82520 - assay of cocaine
82055 - assay of ethanol
82570 - assay of urine creatinine
Does any of this tell me if I am positive or negative?