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.
Official description
E40Kwashiorkor
ICD-10-CM diagnosis code · United States clinical modification
Where E40 sits
- 1
Chapter 4
Endocrine, nutritional and metabolic diseases (E00-E89)
- 2
Section
Malnutrition (E40-E46)
- 3
Category E40
Kwashiorkor
- 4
Code E40
Kwashiorkor
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.
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.
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.