Hyperparathyroidism and other disorders of parathyroid gland
- Category
- E21
- Parent code
- None — this is a chapter-level code
Child codes (6)
More specific codes that fall directly under E21.
Primary hyperparathyroidism
Secondary hyperparathyroidism, not elsewhere classified
Other hyperparathyroidism
Hyperparathyroidism, unspecified
Other specified disorders of parathyroid gland
Disorder of parathyroid gland, unspecified
Code family — category E21
Every other code sharing category E21, for context when choosing between close variants.
Primary hyperparathyroidism
Secondary hyperparathyroidism, not elsewhere classified
Other hyperparathyroidism
Hyperparathyroidism, unspecified
Other specified disorders of parathyroid gland
Disorder of parathyroid gland, unspecified
Use this via the API
The same record, as JSON — free for single lookups, no API key required.
request
curl https://patientary.com/api/v1/icd10/E21
Patientary is an informational reference tool built on public data (CMS NPPES and the official ICD-10-CM release). It is not medical, coding, legal or billing advice, and code assignment is the responsibility of a qualified professional. Always verify against the primary source before you bill or file.