Code family — category E21
Every other code sharing category E21, for context when choosing between close variants.
E21Header
Hyperparathyroidism and other disorders of parathyroid gland
E21.0Billable
Primary hyperparathyroidism
E21.1Billable
Secondary hyperparathyroidism, not elsewhere classified
E21.2Billable
Other hyperparathyroidism
E21.3Billable
Hyperparathyroidism, unspecified
E21.4Billable
Other specified disorders of parathyroid gland
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/E21.5
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.