Glossary Term

Hemodialysis

HD

A treatment for kidney failure in which the patient’s blood is passed through a filtering membrane to remove excess fluid and wastes. (OrganDonor.gov Glossary, June 2026)

A treatment for kidney failure where the patient’s blood is passed through a filtering membrane to remove excess fluid and wastes. (HRSA/OPTN Patient Glossary, June 2026)

A method of dialysis in which blood from a patient’s body is circulated through an external device or machine and then returned to the patient’s bloodstream. Such an artificial kidney machine is usually designed to remove fluids and metabolic end products from the bloodstream by placing the blood in contact with a semi-permeable membrane, which is bathed on one side by an appropriate chemical solution, referred to as dialysate. (CMS Glossary, June 2026)