E21.0
BillablePrimary hyperparathyroidism
E21.0 is the ICD-10-CM code for Primary hyperparathyroidism. It is a billable, specific code valid for reimbursement.
E00-E89 Endocrine, nutritional and metabolic diseases
Includes
- •Hyperplasia of parathyroid
- •Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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