DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

E42 diagnosis code · Billable category · FY2027

E42 Marasmic kwashiorkor

  • Billable
  • MCC
  • POA reported

E42 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

CC / MCC
MCC
MS-DRG
640-641
HCC V28
–
POA
Reported
Code Editor
–
Index entries
11

Instructions

At E42

Inclusion terms

  • Intermediate form severe protein-calorie malnutrition
  • Severe protein-calorie malnutrition with signs of both kwashiorkor and marasmus

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

  • Kwashiorkormarasmic, marasmus type → E42
  • Malnutritionsevere (protein-energy)intermediate form → E42
  • Deficiency, deficientcalorie, severewith marasmusand kwashiorkor → E42
  • Malnutritiondegreesevere (protein-energy)intermediate form → E42
  • Malnutritionproteincaloriesevereintermediate form → E42
  • Malnutritionproteinenergysevereintermediate form → E42
  • Malnutritionsevere (protein-energy)withkwashiorkorwith marasmus → E42
  • Malnutritionsevere (protein-energy)intermediate formwithkwashiorkor (and marasmus) → E42
  • Malnutritiondegreesevere (protein-energy)intermediate formwithkwashiorkor → E42
  • Malnutritionproteincaloriesevereintermediate formwithkwashiorkor (and marasmus) → E42
  • Malnutritionproteinenergysevereintermediate formwithkwashiorkor (and marasmus) → E42

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

Medicare grouping and edits

CMS files for E42
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