Spectrum Health is a not-for-profit, integrated, managed care health care organization. It offers services for illnesses/diseases, including Alzheimer's disease, back tumors, chronic obstructive pulmonary disease, allergy and immunology, deep vein thrombosis, digestive disease, diabetes, heart disease, infertility, Parkinson’s disease, etc. The company provides laboratory services, such as brain natriuretic peptide tests, blood tests, electrocardiograms, ambulatory surgery, colonoscopy, echocardiogram, molecular diagnostics, stress tests, pediatric sedation, etc. The company merged with Beaumont Health to form Corewell Health.