E40-E46

Non-Billable
ChapterE00–E89
Rankblock
Official Description

Malnutrition (E40-E46)

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 4: Endocrine, Nutritional and Metabolic Diseases (E00-E89).

CH4 Parent Instructions

Excludes1(Not coded here)
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Instructional Notes

Excludes1(Not coded here)
  • intestinal malabsorption (K90.-)
  • sequelae of protein-calorie malnutrition (E64.0)
Excludes2(Not included here)

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E40-E46Malnutrition (E40-E46)
E40Kwashiorkor
E41Nutritional marasmus
E42Marasmic kwashiorkor
E43Unspecified severe protein-calorie malnutrition
E44Protein-calorie malnutrition of moderate and mild degree
E45Retarded development following protein-calorie malnutrition
E46Unspecified protein-calorie malnutrition

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E40-E46:

chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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