U.S. ICD-10-CM · FY 2027

E40 ICD-10-CM Code: Kwashiorkor

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

Code definition

Official description

E40

Kwashiorkor

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

Classification

Where E40 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Malnutrition (E40-E46)

  3. 3

    Category E40

    Kwashiorkor

  4. 4

    Code E40

    Kwashiorkor

Documentation details

Notes for this code

Inclusion terms

  • Severe malnutrition with nutritional edema with dyspigmentation of skin and hair

Code first

No “code first” instruction is listed for E40.

Use additional code

No “use additional code” instruction is listed for E40.

Excludes1

Conditions that should not be reported together with this code.

  • marasmic kwashiorkor (E42)

Excludes2

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

No Excludes2 note is listed for E40.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

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 E40 mean?

E40 is the FY 2027 U.S. ICD-10-CM code for “Kwashiorkor.”

Is E40 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, E40 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is E40 located in ICD-10-CM?

E40 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Malnutrition (E40-E46) (E40–E46), under category E40, Kwashiorkor.

What coding notes are listed for E40?

Its listed inclusion terms are Severe malnutrition with nutritional edema with dyspigmentation of skin and hair. No code-first instruction is listed. Excludes1 notes: marasmic kwashiorkor (E42). No Excludes2 note is listed.

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