OPKO Health, Inc., a healthcare company, engages in the diagnostics and pharmaceuticals businesses in the United States, Ireland, Chile, Spain, Israel, Mexico, and internationally. The company's Diagnostics segment operates BioReference Laboratories that offers laboratory testing services for the detection, diagnosis, evaluation, monitoring, and treatment of diseases, including esoteric testing, molecular diagnostics, anatomical pathology, genetics, women's health, and correctional healthcare to physician offices, clinics, hospitals, employers and governmental units; and a novel diagnostic instrument system to provide blood test results in the point-of-care setting, as well as 4Kscore prostate cancer testing services. Its Pharmaceutical segment offers Rayaldee to treat secondary hyperparathyroidism in adults with stage 3 or 4 chronic kidney disease, and vitamin D insufficiency; OPK88004, an orally administered selective androgen receptor modulator; OPK88003, a once-weekly administered peptide for the treatment of type 2 diabetes and associated obesity that is in Phase IIb trials; and hGH-CTP, a once-weekly human growth hormone injection that completed Phase III clinical trial in partnership with Pfizer, Inc.