U.S. ICD-10-CM · FY 2027

E56 ICD-10-CM Code: Other vitamin deficiencies

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

E56

Other vitamin deficiencies

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where E56 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Other nutritional deficiencies (E50-E64)

  3. 3

    Category E56

    Other vitamin deficiencies

  4. 4

    Code E56

    Other vitamin deficiencies

More specific choices

Codes under E56

E56 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for E56.

Code first

No “code first” instruction is listed for E56.

Use additional code

No “use additional code” instruction is listed for E56.

Excludes1

Conditions that should not be reported together with this code.

  • sequelae of other vitamin deficiencies (E64.8)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for E56.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code E56 mean?

E56 is the FY 2027 U.S. ICD-10-CM code for “Other vitamin deficiencies.”

Is E56 a billable or specific ICD-10-CM code?

No. E56 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is E56 located in ICD-10-CM?

E56 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Other nutritional deficiencies (E50-E64) (E50–E64), under category E56, Other vitamin deficiencies.

What coding notes are listed for E56?

No inclusion terms are listed for E56 in this reference record. No code-first instruction is listed. Excludes1 notes: sequelae of other vitamin deficiencies (E64.8). No Excludes2 note is listed.

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