ICD-10-CM Diagnosis Code E52
Diagnosis Code: E52 (Raw: E52)
Description: Niacin deficiency [pellagra]
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 E52 is designated for Niacin deficiency [pellagra]. 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.