2025 ICD-10-CM Diagnosis Code E42

Marasmic kwashiorkor

E42 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2025 edition of ICD-10-CM E42 became effective on October 1, 2024.
This is the American ICD-10-CM version of E42 – other international versions of ICD-10 E42 may differ.

Applicable To

The following code(s) above E42 contain annotation back-references

that may be applicable to E42:

ICD-10-CM E42 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

640 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes with mcc
641 Miscellaneous disorders of nutrition, metabolism, fluids and electrolytes without mcc

Convert E42 to ICD-9-CMCode History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change
2024 (effective 10/1/2023): No change
2025 (effective 10/1/2024): No change

Code annotations containing back-references to E42:

Diagnosis Index entries containing back-references to E42:

Deficiency, deficient
- calorie, severeE43
  - with marasmusE41
    - and kwashiorkor E42
KwashiorkorE40
- marasmic, marasmus type E42
MalnutritionE46
- degree
  - severe (protein-energy) E43
    - intermediate form E42
      - with
        kwashiorkor E42
- proteinE46
  - calorieE46
    - severeE43
      - intermediate form E42
        with
        kwashiorkor E42 (and marasmus)
  - energyE46
    - severeE43
      - intermediate form E42
        with
        kwashiorkor E42 (and marasmus)
- severe (protein-energy) E43
  - with
    - kwashiorkorE40
      - with marasmus E42
  - intermediate form E42
    - with
      - kwashiorkor E42 (and marasmus)