Background: Unnecessary inpatient laboratory testing is common and negatively impacts patients by causing discomfort and iatrogenic anemia. Such testing also burdens a busy phlebotomy team, particularly when patients decline labs due to recency of previous checks. Audit and feedback interventions are known to reduce low value practices in medical residents, but no published study has [...]

Background: Cost associated with diagnostic testing contributes greatly to the rising cost of health care in the United States (Bindraban et al, 2018). There is evidence to suggest that up to 20% of lab testing is unnecessary (Bindraban et al, 2018).Main Line Health (MLH) is a health system in suburban Philadelphia made up of four [...]