ICD-10 · PDGM grouping
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 v07.2.26.
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.
Code families in E40-E46
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
- E40Kwashiorkor1 code
- E41Nutritional marasmus1 code
- E42Marasmic kwashiorkor1 code
- E43Unspecified severe protein-calorie malnutrition1 code
- E44Protein-calorie malnutrition of moderate and mild degree2 codes
- E45Retarded development following protein-calorie malnutrition1 code
- E46Unspecified protein-calorie malnutrition1 code
Every code in E40-E46
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| E40 | Kwashiorkor | I | Can lead a claim |
| E41 | Nutritional marasmus | I | Can lead a claim |
| E42 | Marasmic kwashiorkor | I | Can lead a claim |
| E43 | Unspecified severe protein-calorie malnutrition | A | Can lead a claim |
| E440 | Moderate protein-calorie malnutrition | A | Can lead a claim |
| E441 | Mild protein-calorie malnutrition | A | Can lead a claim |
| E45 | Retarded development following protein-calorie malnutrition | A | Can lead a claim |
| E46 | Unspecified protein-calorie malnutrition | A | Can lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. 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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