DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

E41 diagnosis code · Billable category · FY2027

E41 Nutritional marasmus

  • Billable
  • MCC
  • POA reported

E41 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. E41 Nutritional marasmus
CC / MCC
MCC
MS-DRG
640-641, 791, 793
HCC V28
–
POA
Reported
Code Editor
–
Index entries
16

Instructions

At E41

Inclusion terms

  • Severe malnutrition with marasmus

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

  • Athrepsia → E41
  • Marasmus → E41
  • Pedatrophia → E41
  • Atrophy, atrophic (of)infantile → E41
  • Marasmusdue to malnutrition → E41
  • Marasmusintestinal → E41
  • Marasmusnutritional → E41
  • Atrophy, atrophic (of)nutritionalwith marasmus → E41
  • Deficiency, deficientcalorie, severewith marasmus → E41
  • Wastingextreme (due to malnutrition)with marasmus → E41
  • Malnutritionsevere (protein-energy)intermediate formmarasmus → E41
  • Disease, diseasedwasting NECdue tomalnutritionwith marasmus → E41
  • Malnutritiondegreesevere (protein-energy)withmarasmus → E41
  • Wastingdisease (syndrome)due tomalnutritionwith marasmus → E41
  • Malnutritionproteincalorieseverewithmarasmus → E41
  • Malnutritionproteinenergyseverewithmarasmus → E41

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

Medicare grouping and edits

CMS files for E41
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…); MDC 15 Newborns and Other Neonates with Conditions Originating in Perinatal Period, MS-DRG 791 (Prematurity with Major Problems…); MDC 15 Newborns and Other Neonates with Conditions Originating in Perinatal Period, MS-DRG 793 (Full Term Neonate with Major Problems…)
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