Please note that it is the policy of Children's National Hospital to ensure a "drug-free" work environment: a workplace free from the illegal use, possession or distribution of controlled substances (as defined in the Controlled Substances Act), or the misuse of legal substances, by all staff (management, employees and contractors). They will also be expected to transition work sites to include the main lab, the inpatient lab, the OR/ICU, Regional Outpatient Centers(ROC) and the Muscular Dystrophy program held in Physical Medicine.