ICD-10-CM Section · E40-E46

Malnutrition

9 codes in this section

9
Total Codes
8
Billable
1
Header (Non-Billable)
7
Top-Level Codes

About Section E40-E46

Section E40-E46 (E40-E46) covers malnutrition. It sits within the Endocrine, nutritional and metabolic diseases chapter (E00-E89). This section contains 9 ICD-10-CM codes, 8 billable diagnoses you can submit on a claim, and 1 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in E40-E46

Grouped by 3-character root code. Click any code for full detail.

E40 Kwashiorkor
0 subcodes
E41 Nutritional marasmus
0 subcodes
E42 Marasmic kwashiorkor
0 subcodes
E43 Unspecified severe protein-calorie malnutrition
0 subcodes
E44 Protein-calorie malnutrition of moderate and mild degree
2 subcodes
E44.0 Moderate protein-calorie malnutrition Billable
E44.1 Mild protein-calorie malnutrition Billable
E45 Retarded development following protein-calorie malnutrition
0 subcodes
E46 Unspecified protein-calorie malnutrition
0 subcodes

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Reviewed by the PayerReady Medical Coding Team

Verified against the CMS 2026 code set on May 31, 2026.

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