IPD stands for Inpatient Department treatment, where a person is admitted to the hospital for more serious medical conditions. Learn the difference between IPD and OPD (Outpatient Department treatment), and how to choose the right health insurance policy for your needs. The main difference between IPD and OPD is that IPD patients are admitted and stay in the hospital for treatment, while OPD patients visit the hospital for consultation and leave after treatment. Learn the full details of OPD and IPD , including definitions, differences, benefits, common procedures, and admission processes. OPD full form is the outpatient department, whereas IPD stands for inpatient department. In the outpatient department (OPD), there is no requirement to admit a patient in a hospital, but in an inpatient department a patient is admitted to a clinic or hospital for at least 24 hours.