2026 ICD-10-CM Diagnosis Code E63Other nutritional deficiencies

ICD-10-CM CodesE00–E89E50-E64E63

ICD-10-CM E63
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E63 is a non-billable ICD-10-CM category code for other nutritional deficiencies, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E63.0, E63.1, E63.8, and E63.9.

Code Identity

ICD-10-CM Code
E63
Billable Status
No — Non-Billable Category
Code Describes
Other nutritional deficiencies
Chapter
E50-E64
Other nutritional deficiencies

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE50-E64Other nutritional deficiencies
CategoryE63Other nutritional deficiencies
This CodeE63Other nutritional deficiencies

Specific Coding for Other nutritional deficienciesOverview

Non-specific codes like E63 require more characters. Use one of these billable codes instead:

  • Use E63.0 for Essential fatty acid [EFA] deficiency

  • Use E63.1 for Imbalance of constituents of food intake

  • Use E63.8 for Other specified nutritional deficiencies

  • Use E63.9 for Nutritional deficiency, unspecified

Tabular List NotesGuidance

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

Type 2 Excludes

  • dehydration E86.0
  • failure to thrive, adult R62.7
  • failure to thrive, child R62.51
  • feeding problems in newborn P92
  • sequelae of malnutrition and other nutritional deficiencies E64

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 E63Overview

Is E63 (Other nutritional deficiencies) a billable code?

No. This is a category header that groups the codes for other nutritional deficiencies, and headers cannot be submitted on claims. Claims for other nutritional deficiencies need a more specific code from this category, such as E63.0, E63.1, and E63.8.