E56

Non-billable

Other vitamin deficiencies

E56 is the ICD-10-CM code for Other vitamin deficiencies. It is a non-billable category code — use a more specific child code such as E56.0 for billing.

Status
Header (non-billable)
Chapter
E00-E89
Subcodes
4
Edition
FY2026

E00-E89 Endocrine, nutritional and metabolic diseases

What this means — in plain language

MedlinePlus · NIH

What is 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. Malnutrition can affect people of all ages, but children, older adults, and people with chronic (long-term) health…

Read more about Malnutrition at MedlinePlus ↗

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

Excludes1 — not coded here

  • sequelae of other vitamin deficiencies (E64.8)

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 E56?
E56 is the ICD-10-CM code for "Other vitamin deficiencies". It falls under E00-E89 Endocrine, nutritional and metabolic diseases.
Is E56 a billable code?
No — E56 is a non-billable header code. Use a more specific child code (such as E56.0) for billing.
What are the subcodes of E56?
E56 has 4 more specific child codes, including E56.0, E56.1, E56.8.
What is excluded from E56?
Excludes1 (not coded here): sequelae of other vitamin deficiencies (E64.8).

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

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