E46 – Unspecified protein-calorie malnutrition
ICD-10-CM 2027 diagnosis code · Malnutrition
ICD-10-CM code
E46
- Code
E46(claims format:E46)- Description
- Unspecified 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 E46
Applicable to:
- Malnutrition NOS
- Protein-calorie imbalance NOS
Excludes1 (not coded here):
- nutritional deficiency NOS (E63.9)
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 E46
Entries in the ICD-10-CM alphabetic index that lead to this code:
Frequently asked questions
What is ICD-10 code E46?
E46 is the ICD-10-CM code for unspecified protein-calorie malnutrition, in the block E40-E46 (Malnutrition).
Is E46 a billable code?
Yes. E46 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.