Background: Routine laboratory testing is a cornerstone of inpatient care. However, indiscriminate ordering can lead to resource waste, prolonged length of stay, and unnecessary costs. At our community teaching hospital in Queens, New York, we identified high rates of vitamin level testing—specifically vitamin B12, folate, and vitamin D25—which were often ordered without clinical indication. This [...]

Background: Routine laboratory testing is a cornerstone of inpatient care. However, indiscriminate ordering can lead to resource waste, prolonged length of stay, and unnecessary costs. At our community teaching hospital in Queens, New York, we identified high rates of vitamin level testing—specifically vitamin B12, folate, and vitamin D25—which were often ordered without clinical indication. This [...]