ICD-10-CM Diagnosis Code (2025)
Official Description for E31.21
Multiple endocrine neoplasia [MEN] type I
Coding Notes & Guidelines for E31.21
Inclusion Terms
Wermer's syndrome
Parent Code (Less Specific):
About ICD-10-CM Code E31.21 (Multiple endocrine neoplasia [MEN] type I)
ICD-10-CM code E31.21 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 E31.21 became effective on October 1, 2024.
This page provides detailed information about E31.21 - Multiple endocrine neoplasia [MEN] type I. 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 Multiple endocrine neoplasia [MEN] type I.