All ICD10 Codes

E52

Billable
ChapterE00–E89
Rankcategory
Official Description

Niacin deficiency [pellagra]

Metadata & Insights
  • •Billable/specific code (valid for reimbursement).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

CH4 Parent Instructions

Excludes1(Not coded here. Use a different code.)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

E50-E64 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

Instructional Notes

Includes
  • Niacin (-tryptophan) deficiency
  • Nicotinamide deficiency
  • Pellagra (alcoholic)
Excludes1(Not coded here. Use a different code.)
  • sequelae of niacin deficiency (E64.8)

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E50-E64Other nutritional deficiencies (E50-E64)
E52Niacin deficiency [pellagra]Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E52:

blockE50-E64
Other nutritional deficiencies (E50-E64)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 640
Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC
DRG 641
Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes without MCC

Cross Reference

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