E40-E46 — Malnutrition
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.
Codes in range
8
No clinical group
0
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
5 of the 8 codes in E40-E46 group to MMTA - Other, but the range is not uniform — it spreads across 2 clinical groups. Every code here is assigned a group.
Every code in E40-E46
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| E40 | Kwashiorkor | I | Accepted |
| E41 | Nutritional marasmus | I | Accepted |
| E42 | Marasmic kwashiorkor | I | Accepted |
| E43 | Unspecified severe protein-calorie malnutrition | A | Accepted |
| E440 | Moderate protein-calorie malnutrition | A | Accepted |
| E441 | Mild protein-calorie malnutrition | A | Accepted |
| E45 | Retarded development following protein-calorie malnutrition | A | Accepted |
| E46 | Unspecified protein-calorie malnutrition | A | Accepted |
Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
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