E55.9

Billable

Vitamin D deficiency, unspecified

E55.9 is the ICD-10-CM code for Vitamin D deficiency, unspecified. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
E00-E89
Parent
E55
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

What is vitamin D deficiency? Vitamin D deficiency means that your body is not getting enough vitamin D to stay healthy. Why do I need vitamin D and how do I get it? Vitamin D helps your body absorb calcium . Calcium is one of the main building blocks of bone. Vitamin D also has a role in your nervous, muscle, and immune systems. You can get vitamin D in three ways: through your skin, from your diet, and from…

Read more about Vitamin D Deficiency at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • Avitaminosis D

Medications indicated for this condition

FDA labeling

Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.

Conditions mapped to this code

MedlinePlus · NIH

Plain-language health-topic references grounded in MedlinePlus (NIH/NLM).

Frequently asked questions

What is ICD-10 code E55.9?
E55.9 is the ICD-10-CM code for "Vitamin D deficiency, unspecified". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E55.9 a billable code?
Yes — E55.9 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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