ICD-10 Code: E21 – Hyperparathyroidism and other disorders of parathyroid gland

ICD-10 code E21 corresponds to Hyperparathyroidism and other disorders of parathyroid gland. This code is classified under the chapter E20-E35: Disorders of other endocrine glands, which is part of the E20-E35: Disorders of other endocrine glands category.

The parent chapter is Endocrine, nutritional and metabolic diseases.