E21.2Billable
Other hyperparathyroidism
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E21
- Effective date
- October 1, 2026
Related codes in category E21
E21Hyperparathyroidism and other disorders of parathyroid glandE21.0Primary hyperparathyroidismYesE21.1Secondary hyperparathyroidism, not elsewhere classifiedYesE21.3Hyperparathyroidism, unspecifiedYesE21.4Other specified disorders of parathyroid glandYesE21.5Disorder of parathyroid gland, unspecifiedYes
Frequently asked questions
What is ICD-10 code E21.2?
E21.2 is an ICD-10-CM diagnosis code for Other hyperparathyroidism.
Is E21.2 a billable code?
Yes. E21.2 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is E21.2 in?
E21.2 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E21.2 become effective?
E21.2 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to E21.2?
E21.2 belongs to category E21, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.