2026 ICD-10-CM Diagnosis Code E55Vitamin D deficiency

ICD-10-CM Codes›E00–E89›E50-E64›E55

ICD-10-CM E55
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

E55 is a non-billable ICD-10-CM category code for vitamin D deficiency, so it cannot be submitted on claims. Use a more specific code from this category instead, such as E55.0 and E55.9.

Code Identity

ICD-10-CM Code
E55
Billable Status
No — Non-Billable Category
Code Describes
Vitamin D deficiency
Chapter
E50-E64
Other nutritional deficiencies

Code Classification

ChapterE00–E89Endocrine, nutritional and metabolic diseases
SectionE50-E64Other nutritional deficiencies
CategoryE55Vitamin D deficiency
This CodeE55Vitamin D deficiency

Specific Coding for Vitamin D deficiencyOverview

Non-specific codes like E55 require more characters. Use one of these billable codes instead:

  • Use E55.0 for Rickets, active

  • Use E55.9 for Vitamin D deficiency, unspecified

Tabular List NotesGuidance

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

Type 1 Excludes

  • adult osteomalacia M83
  • osteoporosis M80
  • sequelae of rickets E64.3

Clinical InformationClinical

  • Vitamin D Deficiency

    a nutritional condition produced by a deficiency of vitamin d in the diet, insufficient production of vitamin d in the skin, inadequate absorption of vitamin d from the diet, or abnormal conversion of vitamin d to its bioactive metabolites. it is manifested clinically as rickets in children and osteomalacia in adults. (from cecil textbook of medicine, 19th ed, p1406)

  • Nutritional Vitamin D Deficiency Rickets

    nutritional rickets due to dietary deficiency of vitamin d.

  • Vitamin D Deficiency

    abnormally low level of 25-hydroxyvitamin d in the blood.

Patient EducationClinical

Vitamin D Deficiency

Vitamin D deficiency means that your body is not getting enough vitamin D to stay healthy.

The full article covers:

  • What is vitamin D deficiency?
  • Why do I need vitamin D and how do I get it?
  • How much vitamin D do I need?
  • What causes vitamin D deficiency?
  • Who is at risk of vitamin D deficiency?
  • What problems does vitamin D deficiency cause?
  • How can I get more vitamin D?
  • Can too much vitamin D be harmful?

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 E55Overview

Is E55 (Vitamin D deficiency) a billable code?

No. This is a category header that groups the codes for vitamin D deficiency, and headers cannot be submitted on claims. Claims for vitamin D deficiency need a more specific code from this category, such as E55.0 and E55.9.