E43 – Unspecified severe protein-calorie malnutrition
ICD-10-CM 2027 diagnosis code · Malnutrition
ICD-10-CM code
E43
- Code
E43(claims format:E43)- Description
- Unspecified severe protein-calorie malnutrition
- 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 E43
Applicable to:
- Starvation edema
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 E43
Entries in the ICD-10-CM alphabetic index that lead to this code:
- Wasting, extreme
- Malnutrition, severe
- Anasarca, nutritional
- Malnutrition, degree, third
- Malnutrition, degree, severe
- Atrophy, atrophic, nutritional
- Emaciation, due to malnutrition
- Malnutrition, protein, energy, severe
- Deficiency, deficient, calorie, severe
- Malnutrition, protein, calorie, severe
- Wasting, disease, due to, malnutrition
- Disease, diseased, wasting NEC, due to, malnutrition
Frequently asked questions
What is ICD-10 code E43?
E43 is the ICD-10-CM code for unspecified severe protein-calorie malnutrition, in the block E40-E46 (Malnutrition).
Is E43 a billable code?
Yes. E43 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.