given to substance use disorder treatment providers, pediatricians, other primary care providers, and obstetrician-gynecologists. (b) Laboratory procedures The Secretary may (directly and through grants to public and nonprofit private entities) carry out programs to provide for improvements in the quality of clinical-laboratory procedures regarding infections associated with injection drug use. (c) Definitions In this section, the term injection drug use means— (1) intravenous administration of a substance in schedule I under section 202 of the Controlled Substances Act