2027 ICD-10-CM Diagnosis Code E56Other vitamin deficiencies

ICD-10-CM Codes›E00–E89›E50-E64›E56

ICD-10-CM E56
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

E56 is a non-billable ICD-10-CM category code for other vitamin deficiencies, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E56.0, E56.1, E56.8, and E56.9.

Code Identity

ICD-10-CM Code
E56
Billable Status
No — Non-Billable Category
Code Describes
Other vitamin deficiencies
Short Description
Other vitamin deficiencies
Same as the full description in the CMS dataset.
Chapter
E50-E64
Other nutritional deficiencies

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE50-E64Other nutritional deficiencies
CategoryE56Other vitamin deficiencies
This CodeE56Other vitamin deficiencies

Specific Coding for Other vitamin deficienciesOverview

Non-specific codes like E56 require more characters. Use one of these billable codes instead:

  • Use E56.0 for Deficiency of vitamin E

  • Use E56.1 for Deficiency of vitamin K

  • Use E56.8 for Deficiency of other vitamins

  • Use E56.9 for Vitamin deficiency, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to E56: its own notes plus those printed at block E50-E64 and Chapter 4. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

On E56 itself
  • sequelae of other vitamin deficiencies (E64.8)
From Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases applies to 973 codes
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block E50-E64 Other nutritional deficiencies applies to 50 codes

Notes

General instructions on how these codes are used.

From Chapter 4 (E00-E89) Endocrine, nutritional and metabolic diseases applies to 973 codes
  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name E56, its category, or a range that includes it.

Applicable To 1

These notes mention E56.

  • P00.4 Newborn affected by maternal nutritional disorders
    Newborn affected by maternal disorders classifiable to E40-E64 names E40-E64, which includes this code

Excludes1 2

These codes carry an Excludes1 note naming E56: they are not reported together with it, unless the two conditions are unrelated.

  • T45.2X6 Underdosing of vitamins
    vitamin deficiencies (E50-E56) names E50-E56, which includes this code
  • Z72.4 Inappropriate diet and eating habits
    malnutrition and other nutritional deficiencies (E40-E64) names E40-E64, which includes this code

Code First 2

These codes say to code first a condition named in the note, and E56 is one of the conditions named.

  • G99.8 Other specified disorders of nervous system in diseases classified elsewhere
    avitaminosis (E56.-)
  • G63 Polyneuropathy in diseases classified elsewhere
    nutritional deficiency (E40-E64) names E40-E64, which includes this code

Notes 1

These notes mention E56.

  • E64 Sequelae of malnutrition and other nutritional deficiencies
    This category is to be used to indicate conditions in categories E43, E44, E46, E50-E63 as the cause of sequelae, which are themselves classified elsewhere. The 'sequelae' include conditions specified as such; they also include the late effects of diseases classifiable to the above categories if the disease itself is no longer present names E50-E63, which includes this code

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About E56Overview

What is the ICD-10 code for other vitamin deficiencies?

E56 is the ICD-10-CM category for other vitamin deficiencies, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is E56 (Other vitamin deficiencies) a billable code?

No. This is a category header that groups the codes for other vitamin deficiencies, and headers cannot be submitted on claims. Claims for other vitamin deficiencies need a more specific code from this category, such as E56.0, E56.1, and E56.8.

Can E56 be reported with E64.8?

Not as a rule. The Excludes1 note on E56 lists "sequelae of other vitamin deficiencies (E64.8)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).