E42 – Marasmic kwashiorkor
ICD-10-CM 2027 diagnosis code · Malnutrition
ICD-10-CM code
E42
- Code
E42(claims format:E42)- Description
- Marasmic kwashiorkor
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 4. Endocrine, nutritional and metabolic diseases (E00-E89)
- Block
- E40-E46 Malnutrition
Notes for E42
Applicable to:
- Intermediate form severe protein-calorie malnutrition
- Severe protein-calorie malnutrition with signs of both kwashiorkor and marasmus
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block E40-E46
Excludes1 (not coded here):
Index terms for E42
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Kwashiorkor, marasmic, marasmus type
- Malnutrition, severe, intermediate form
- Malnutrition, degree, severe, intermediate form
- Malnutrition, severe, with, kwashiorkor, with marasmus
- Malnutrition, protein, energy, severe, intermediate form
- Malnutrition, protein, calorie, severe, intermediate form
- Malnutrition, severe, intermediate form, with, kwashiorkor
- Malnutrition, degree, severe, intermediate form, with, kwashiorkor
- Deficiency, deficient, calorie, severe, with marasmus, and kwashiorkor
- Malnutrition, protein, energy, severe, intermediate form, with, kwashiorkor
- Malnutrition, protein, calorie, severe, intermediate form, with, kwashiorkor
Frequently asked questions
What is ICD-10 code E42?
E42 is the ICD-10-CM code for marasmic kwashiorkor, in the block E40-E46 (Malnutrition).
Is E42 a billable code?
Yes. E42 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.