ICD-10-CM Diagnosis Code (2025)
Official Description for E21.0
Primary hyperparathyroidism
Coding Notes & Guidelines for E21.0
Inclusion Terms
- Hyperplasia of parathyroid
- Osteitis fibrosa cystica generalisata [von Recklinghausen's disease of bone]
Parent Code (Less Specific):
About ICD-10-CM Code E21.0 (Primary hyperparathyroidism)
ICD-10-CM code E21.0 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM E21.0 became effective on October 1, 2024.
This page provides detailed information about E21.0 - Primary hyperparathyroidism. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Primary hyperparathyroidism.