E52Billable
Niacin deficiency [pellagra]
- Chapter
- 4. Endocrine, nutritional and metabolic diseases
- Category
- E52
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code E52?
E52 is an ICD-10-CM diagnosis code for Niacin deficiency [pellagra].
Is E52 a billable code?
Yes. E52 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is E52 in?
E52 falls under Chapter 4: Endocrine, nutritional and metabolic diseases.
When did E52 become effective?
E52 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.