E21 Hyperparathyroidism and other disorders of parathyroid gland
Not valid for submission — needs a 4th character ICD10CM Release FY2027
Valid codes under E21
E21 is a category, not a code that can be submitted. The valid codes beneath it:
- 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
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | 2026-09-30 | Hyperparathyroidism and other disorders of parathyroid gland | no |
| FY2027 | 2026-10-01 | current | Hyperparathyroidism and other disorders of parathyroid gland | no |