ICD-10-CM Diagnosis Code E31.20
Diagnosis Code: E31.20 (Raw: E3120)
Description: Multiple endocrine neoplasia [MEN] syndrome, unspecified
Classification: International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM)
Fiscal Year: 2026
CMS Section 111 Status: Valid for reporting.
Overview & Clinical Details
ICD-10-CM code E31.20 is designated for Multiple endocrine neoplasia [MEN] syndrome, unspecified. In medical documentation and insurance billing, this code is utilized to specify medical diagnosis for patient records, reimbursement workflows, and compliance under CMS Section 111 mandatory insurer reporting guidelines.