2026 ICD-10-CM Diagnosis Code E56.0Deficiency of vitamin E

ICD-10-CM Codes›E00–E89›E50-E64›E56

ICD-10-CM E56.0
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E56.0 is a billable ICD-10-CM diagnosis code for deficiency of vitamin E. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 640 through 641. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Nutritional deficiencies.

Code Identity

ICD-10-CM Code
E56.0
Billable Status
Yes — Valid for Submission
Code Describes
Deficiency of vitamin E
Short Description
Deficiency of vitamin E
Same as the full description in the CMS dataset.
Parent Code
E56
Other vitamin deficiencies

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE50-E64Other nutritional deficiencies
CategoryE56Other vitamin deficiencies
This CodeE56.0Deficiency of vitamin E

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Anemia due to vitamin E deficiency
  • Ataxia with vitamin E deficiency
  • Cerebellar ataxia associated with another disorder
  • Deficiency of selenium AND/OR vitamin E
  • Dementia due to nutritional deficiency
  • Dementia due to vitamin E deficiency
  • Dietary deficiency of selenium AND vitamin E
  • Disorder of vitamin E
  • Inadequate intake of vitamin E and/or vitamin E derivative
  • Myelopathy due to nutritional deficiency
  • Neuropathy due to vitamin E deficiency
  • Non megaloblastic anemia associated with nutritional deficiency
  • Nutritional ataxic neuropathy
  • Selenium deficiency
  • Sensory polyneuropathy
  • Sensory polyneuropathy due to vitamin E deficiency
  • Spinocerebellar ataxia due to vitamin E deficiency
  • Vitamin E below reference range
  • Vitamin E deficiency

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Deficiency, deficient
      • tocopherol
    • Deficiency, deficient
      • vitamin (multiple) NOS
        • E
    • Tocopherol deficiency

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR END007
Nutritional deficiencies
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Vitamin E Deficiency

    a nutritional condition produced by a deficiency of vitamin e in the diet, characterized by posterior column and spinocerebellar tract abnormalities, areflexia, ophthalmoplegia, and disturbances of gait, proprioception, and vibration. in premature infants vitamin e deficiency is associated with hemolytic anemia, thrombocytosis, edema, intraventricular hemorrhage, and increasing risk of retrolental fibroplasia and bronchopulmonary dysplasia. an apparent inborn error of vitamin e metabolism, named familial isolated vitamin e deficiency, has recently been identified. (cecil textbook of medicine, 19th ed, p1181)

  • Vitamins

    organic substances that are required in small amounts for maintenance and growth, but which cannot be manufactured by the human body.

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.

Convert E56.0 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
269.1 Vitamin Deficiency NEC
Approximate The match is approximate rather than exact.

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 E56.0Overview

Is E56.0 (Other vitamin deficiencies) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report deficiency of vitamin E on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does E56.0 group to?

When deficiency of vitamin E is the principal diagnosis on an inpatient stay, it groups to MS-DRG 640, 641, with relative weights from 0.7782 to 1.3356 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of E56.0?

Under the General Equivalence Mappings, deficiency of vitamin E converts to ICD-9-CM 269.1 (vitamin Deficiency NEC). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.