Malnutrition
9 codes in this section
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.
| E44.0 | Moderate protein-calorie malnutrition | Billable |
| E44.1 | Mild protein-calorie malnutrition | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on July 16, 2026.
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