ICD-10-CM Diagnosis Code (2025)
Official Description for E21.1
Secondary hyperparathyroidism, not elsewhere classified
Coding Notes & Guidelines for E21.1
secondary hyperparathyroidism of renal origin (N25.81)
Parent Code (Less Specific):
About ICD-10-CM Code E21.1 (Secondary hyperparathyroidism)
ICD-10-CM code E21.1 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 E21.1 became effective on October 1, 2024.
This page provides detailed information about E21.1 - Secondary hyperparathyroidism, not elsewhere classified. 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 Secondary hyperparathyroidism related to not elsewhere classified.