ICD-10-CM
ICD-10 code for Calorie deficiency or malnutrition: E46
The ICD-10-CM index points "Calorie deficiency or malnutrition" to E46, Unspecified protein-calorie malnutrition. E46 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Excludes1
Excludes1 means these codes are not reported together.
Related pages
- E46 code detailsNotes, nearby codes, CMS-HCC group
- Chapter 4Endocrine, nutritional and metabolic diseases
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Calorie deficiency or malnutrition?
The ICD-10-CM index points "Calorie deficiency or malnutrition" to E46, Unspecified protein-calorie malnutrition. E46 is a billable code.
Is E46 billable?
Yes. E46 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to E46?
The CDC tabular list gives 1 Excludes1 note (not coded together) for E46 and the categories above it. They are listed on this page.
What chapter is E46 in?
Chapter 4. Endocrine, nutritional and metabolic diseases.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.