2026 ICD-10-CM Diagnosis Code E64Sequelae of malnutrition and other nutritional deficiencies

ICD-10-CM Codes›E00–E89›E50-E64›E64

ICD-10-CM E64
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E64 is a non-billable ICD-10-CM category code for sequelae of malnutrition and other nutritional deficiencies, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E64.0, E64.1, E64.2, and E64.3.

Code Identity

ICD-10-CM Code
E64
Billable Status
No — Non-Billable Category
Code Describes
Sequelae of malnutrition and other nutritional deficiencies
Chapter
E50-E64
Other nutritional deficiencies

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE50-E64Other nutritional deficiencies
CategoryE64Sequelae of malnutrition and other nutritional deficiencies
This CodeE64Sequelae of malnutrition and other nutritional deficiencies

Specific Coding for Sequelae of malnutrition and other nutritional deficienciesOverview

Non-specific codes like E64 require more characters. Use one of these billable codes instead:

  • Use E64.0 for Sequelae of protein-calorie malnutrition

  • Use E64.1 for Sequelae of vitamin A deficiency

  • Use E64.2 for Sequelae of vitamin C deficiency

  • Use E64.3 for Sequelae of rickets

  • Use E64.8 for Sequelae of other nutritional deficiencies

  • Use E64.9 for Sequelae of unspecified nutritional deficiency

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Code First

  • condition resulting from (sequela) of malnutrition and other nutritional deficiencies

  • This category is to be used to indicate conditions in categories E43 E44 E46 E50 E63

Patient EducationClinical

Malnutrition

Malnutrition means that your body isn't getting enough calories or the right balance of nutrients to stay healthy. This can happen if you don't get enough protein, carbohydrates, and fats, eat too much unhealthy food, or don't get the vitamins and minerals your body needs.

The full article covers:

  • What is malnutrition?
  • What are the types of malnutrition?
  • What causes malnutrition?
  • Who is at risk for developing malnutrition?
  • What are the symptoms of malnutrition?
  • How is malnutrition diagnosed?
  • What are the treatments for malnutrition?
  • Can malnutrition be prevented?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About E64Overview

Is E64 (Sequelae of malnutrition and other nutritional deficiencies) a billable code?

No. This is a category header that groups the codes for sequelae of malnutrition and other nutritional deficiencies, and headers cannot be submitted on claims. Claims for sequelae of malnutrition and other nutritional deficiencies need a more specific code from this category, such as E64.0, E64.1, and E64.2.