E21 HYPERPARATHYROIDISM AND OTHER DISORDERS OF PARATHYROID GLAND

Code Information

Diagnosis Code: E21

Short Description: Hyperparathyroidism and other disorders of parathyroid gland

Long Description: Hyperparathyroidism and other disorders of parathyroid gland

The code E21 is NOT VALID for claim submission

Code Classification:

Endocrine, nutritional and metabolic diseases (E00–E89)
- Disorders of other endocrine glands (E20-E35)
  - Hyperparathyroidism and other disorders of parathyroid gland (E21)
    - E21 Hyperparathyroidism and other disorders of parathyroid gland

Code Version: 2022 ICD-10-CM

The code E21 has the following ICD-10-CM references to the Index of Diseases and Injuries

Type 1 Excludes Notes:
- adult osteomalacia (@M83*.-)
- ectopic hyperparathyroidism (@E34.2*)
- hungry bone syndrome (@E83.81*)
- infantile and juvenile osteomalacia (@E55.0*)
Type 2 Excludes Notes:
- familial hypocalciuric hypercalcemia (@E83.52*)

ICD-10 Code	ICD-10 Description
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

This page was last updated on: 10/1/2023