DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

E40 diagnosis code · Billable category · FY2027

E40 Kwashiorkor

  • Billable
  • MCC
  • POA reported

E40 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 4 Endocrine, nutritional and metabolic diseases (E00-E89)
  2. E40-E46 Malnutrition (E40-E46)
  3. E40 Kwashiorkor
CC / MCC
MCC
MS-DRG
640-641
HCC V28
–
POA
Reported
Code Editor
–
Index entries
12

Instructions

At E40

Inclusion terms

  • Severe malnutrition with nutritional edema with dyspigmentation of skin and hair

Excludes1

  • marasmic kwashiorkor (E42) E42

Notes that also apply

Block E40-E46 instructions (Excludes1 2, Excludes2 2): printed on the block page.

Chapter 4 instructions (Notes 1, Excludes1 1): printed on the chapter 4 page.

Index entries

  • Kwashiorkor → E40
  • Pluricarential syndrome of infancy → E40
  • Polycarential syndrome of infancy → E40
  • Malnutritionmalignant → E40
  • Syndromepluricarential of infancy → E40
  • Syndromeplurideficiency → E40
  • Syndromepolycarential of infancy → E40
  • Edema, edematous (infectious) (pitting) (toxic)nutritionalwith dyspigmentation, skin and hair → E40
  • Malnutritionsevere (protein-energy)withkwashiorkor → E40
  • Malnutritiondegreesevere (protein-energy)withkwashiorkor → E40
  • Malnutritionproteincalorieseverewithkwashiorkor → E40
  • Malnutritionproteinenergyseverewithkwashiorkor → E40

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for E40
CC / MCCMCC
PDX exclusion list0546 (9 codes)
Appendix BMDC 10 Endocrine, Nutritional and Metabolic Diseases and Disorders, MS-DRG 640-641 (Miscellaneous Disorders of Nutrition, Metabolism, Fluids and Electrolytes with MCC…)
Code Editor–
POAReported
HCC V28–

MCC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy