Hyperparathyroidism and other disorders of parathyroid gland - E21
Excludes1: It indicates that the conditions described by two codes cannot occur together in the same patient. These codes are mutually exclusive.
Type 1 Excludes:
- adult osteomalacia (M83.-)
- ectopic hyperparathyroidism (E34.2)
- hungry bone syndrome (E83.81)
- infantile and juvenile osteomalacia (E55.0)
Excludes2: This note means that the conditions described by two codes are not usually associated with each other but can sometimes occur together.
Type 2 Excludes:
- familial hypocalciuric hypercalcemia (E83.52)
These ranges represents subcategories of Hyperparathyroidism and other disorders of parathyroid gland. The "E21" signifies that these are the diseases within this broad category.