E40-E46
Malnutrition
Malnutrition (E40-E46) is a block within ICD-10-CM Chapter 4: Endocrine, nutritional and metabolic diseases. It holds 7 categories.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- intestinal malabsorption (K90.-)
- sequelae of protein-calorie malnutrition (E64.0)
Excludes2
Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.
- nutritional anemias (D50-D53)
- starvation (T73.0)
Categories in E40-E46
- E40Kwashiorkor
- E41Nutritional marasmus
- E42Marasmic kwashiorkor
- E43Unspecified severe protein-calorie malnutrition
- E44Protein-calorie malnutrition of moderate and mild degreecategory
- E45Retarded development following protein-calorie malnutrition
- E46Unspecified protein-calorie malnutrition
Source
ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.