E21: Hyperparathyroidism and other disorders of parathyroid gland excludes1 adult osteomalacia (M83.-) ectopic hyperparathyroidism (E34.2) hungry bone syndrome (E83.81) infantile and juvenile osteomalacia (E55.0) excludes2 familial hypocalciuric hypercalcemia (E83.52) |
| E21.0: Primary hyperparathyroidism |
| E21.1: Secondary hyperparathyroidism, not elsewhere classified |
| E21.2: Other hyperparathyroidism |
| E21.3: Hyperparathyroidism, unspecified |
| E21.4: Other specified disorders of parathyroid gland |
| E21.5: Disorder of parathyroid gland, unspecified |