Current
E21 — Hyperparathyroidism and other disorders of parathyroid gland
Part of Chapter 4: Endocrine, nutritional and metabolic diseases , block Disorders of other endocrine glands (E20-E35) .
Official Notes
Child Codes
- E21.0 Primary hyperparathyroidism Billable
- E21.1 Secondary hyperparathyroidism, not elsewhere classified Billable
- E21.2 Other hyperparathyroidism Billable
- E21.3 Hyperparathyroidism, unspecified Billable
- E21.4 Other specified disorders of parathyroid gland Billable
- E21.5 Disorder of parathyroid gland, unspecified Billable
Referenced By
Official notes on these codes cite E21.
FY 2027 effective October 1, 2026 · CDC NCHS and CMS