All ICD10 Codes

E40-E46

Non-Billable
ChapterE00–E89
Rankblock
Official Description

Malnutrition (E40-E46)

Use a more specific code (6 billable, 1 non-billable)
E40KwashiorkorE41Nutritional marasmusE42Marasmic kwashiorkorE43Unspecified severe protein-calorie malnutritionE44Protein-calorie malnutrition of moderate and mild degreehas subcodesE45Retarded development following protein-calorie malnutritionE46Unspecified protein-calorie malnutrition
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •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)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • intestinal malabsorption (K90.-)
  • sequelae of protein-calorie malnutrition (E64.0)
Excludes2(Not included here. Code separately if applicable.)

Clinical Hierarchy

BillableHas subcodes
CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E40-E46Malnutrition (E40-E46)Not billable
E40KwashiorkorBillable
E41Nutritional marasmusBillable
E42Marasmic kwashiorkorBillable
E43Unspecified severe protein-calorie malnutritionBillable
E44Protein-calorie malnutrition of moderate and mild degreeSubcodes
E45Retarded development following protein-calorie malnutritionBillable
E46Unspecified protein-calorie malnutritionBillable

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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