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.
It is not painful to collect a one-time or 24-hour urine sample. Risks. Collecting a one-time or 24-hour urine sample does not cause problems. Results. A test for potassium in the urine is a 24-hour test or a one-time (spot) test. It checks how much potassium is in the urine. Potassium is both an electrolyte and a mineral. Normal