Residential Care / Assisted Living: What Is Residential Care for the Elderly? Residential Care Facilities for the Elderly (RCFE) serve persons 60 and older. They provide room, board, housekeeping, supervision, and personal care assistance with basic activities like personal hygiene, dressing, eating, and walking.
A potassium test is used to measure the amount of potassium in your blood. Potassium is an electrolyte important for the functions of cells.
Also known as: K. Formal name: Potassium, blood or urine. Related tests: Chloride, Sodium, Bicarbonate, Electrolytes, Basic Metabolic Panel, Comprehensive Metabolic Panel, Aldosterone and Renin. All content on Lab Tests Online has been reviewed and approved by our Editorial Review Board.