FDA Product Code CEW: Radioimmunoassay, Parathyroid Hormone

Parathyroid hormone measurement is essential in the management of calcium disorders. FDA product code CEW covers radioimmunoassay systems for parathyroid hormone quantification.

These assays measure PTH levels in serum for the diagnosis and monitoring of hyperparathyroidism, hypoparathyroidism, and metabolic bone disease. Intraoperative PTH monitoring is used to confirm successful parathyroid adenoma removal during parathyroidectomy.

CEW devices are Class II medical devices, regulated under 21 CFR 862.1545 and reviewed by the FDA Immunology panel.

Leading manufacturers include Nichols Institute Diagnostics, Scantibodies Laboratory, Inc. and Diagnostic Products Corp..