All ICD10 Codes

E43

Billable
ChapterE00–E89
Rankcategory
Official Description

Unspecified severe protein-calorie malnutrition

Metadata & Insights
  • •2026 ICD-10-CM Edition - Effective October 1, 2025.
  • •Billable/specific code (valid for reimbursement).
  • •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)

E40-E46 Parent Instructions

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

Instructional Notes

Includes
  • Starvation edema

Clinical Hierarchy

CH4Endocrine, nutritional and metabolic diseases (E00-E89)
E40-E46Malnutrition (E40-E46)
E43Unspecified severe protein-calorie malnutrition

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to E43:

blockE40-E46
Malnutrition (E40-E46)
View context instructions
chapterCH4
Endocrine, nutritional and metabolic diseases (E00-E89)
View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to E43. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

12 raw paths
Anasarca1 unique routes
nutritional→E43
Atrophy, atrophic (of)1 unique routes
nutritional→E43
Deficiency, deficient1 unique routes
calorie, severe→E43
Disease, diseased1 unique routes
wasting NEC
due to
malnutrition→E43
Emaciation1 unique routes
due to malnutrition→E43
Malnutrition5 unique routes
degree(2 variants)
severe (protein-energy)→E43
third→E43
protein(2 variants)
calorie
severe→E43
energy
severe→E43
severe (protein-energy)→E43
Wasting2 unique routes
disease (syndrome)
due to
malnutrition→E43
extreme (due to malnutrition)→E43

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
DRG 791
Prematurity with Major Problems
DRG 793
Full Term Neonate with Major Problems

Cross Reference

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