ICD-10-CM · Chapter 4

E21..0 Primary hyperparathyroidism

Billable

← E21 — Hyperparathyroidism and other disorders of parathyroid gland Chapter 4: E00-E89

Includes

Hyperplasia of parathyroid
Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]

Last reviewed: September 2026