E522026
Billable
Niacin deficiency [pellagra]
E52 is a billable ICD-10-CM diagnosis code for Niacin deficiency [pellagra], effective for the FY2026 code set.
Clinical Notes
Frequently Asked Questions
Code Hierarchy
E52
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Related MS-DRGs2
Diagnosis Related Groups for inpatient billing
Official Guidelines
Chapter 4: Endocrine, Nutritional, and Metabolic Diseases
Official coding guidelines for E00-E89