E40 Kwashiorkor

Billable ICD-10-CM code, FY2026. Acts as a Major Complication or Comorbidity (MCC) as a secondary diagnosis.

Applicable to

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

Excludes1 (never code together)

• marasmic kwashiorkor (E42)

Applies from E40 Kwashiorkor

Applicable to

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

Excludes1 (never code together)

• marasmic kwashiorkor (E42)

Risk adjustment (HCC)

• CMS-HCC V22: HCC 21 — Protein-Calorie Malnutrition
• ESRD V24: HCC 21

MS-DRG index

Defines the logic of DRG(s) 640-641 in MDC 10.

Approximate ICD-9-CM (GEMs)

• 260 Kwashiorkor (approximate)

Code annotations containing back-references to E40

Back-references to E40

• Code First: E08 Diabetes mellitus due to underlying condition ("malnutrition (E40-E46)")
• Code First: G63 Polyneuropathy in diseases classified elsewhere ("nutritional deficiency (E40-E64)")
• Code First: H28 Cataract in diseases classified elsewhere ("protein-calorie malnutrition (E40-E46)")
• Type 2 Excludes: R60.1 Generalized edema ("nutritional edema (E40-E46)")
• Code Also: R63.31 Pediatric feeding disorder, acute ("malnutrition (E40-E46)")
• Code Also: R63.32 Pediatric feeding disorder, chronic ("malnutrition (E40-E46)")
• Type 1 Excludes: R63.6 Underweight ("malnutrition (E40-E46)")
• Type 2 Excludes: Z59.4 Lack of adequate food ("malnutrition (E40-E46)")
• Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("malnutrition and other nutritional deficiencies (E40-E64)")

Back-references to E40

• Code First: E08 Diabetes mellitus due to underlying condition ("malnutrition (E40-E46)")
• Code First: G63 Polyneuropathy in diseases classified elsewhere ("nutritional deficiency (E40-E64)")
• Code First: H28 Cataract in diseases classified elsewhere ("protein-calorie malnutrition (E40-E46)")
• Type 2 Excludes: R60.1 Generalized edema ("nutritional edema (E40-E46)")
• Code Also: R63.31 Pediatric feeding disorder, acute ("malnutrition (E40-E46)")
• Code Also: R63.32 Pediatric feeding disorder, chronic ("malnutrition (E40-E46)")
• Type 1 Excludes: R63.6 Underweight ("malnutrition (E40-E46)")
• Type 2 Excludes: Z59.4 Lack of adequate food ("malnutrition (E40-E46)")
• Type 1 Excludes: Z72.4 Inappropriate diet and eating habits ("malnutrition and other nutritional deficiencies (E40-E64)")

Diagnosis Index entries for E40

• Edema, edematous (infectious) (pitting) (toxic) › nutritional › with dyspigmentation, skin and hair
• Kwashiorkor
• Malnutrition › degree › severe (protein-energy) › with › kwashiorkor
• Malnutrition › malignant
• Malnutrition › protein › calorie › severe › with › kwashiorkor
• Malnutrition › protein › energy › severe › with › kwashiorkor
• Malnutrition › severe (protein-energy) › with › kwashiorkor
• Pluricarential syndrome of infancy
• Polycarential syndrome of infancy
• Syndrome › pluricarential of infancy
• Syndrome › plurideficiency
• Syndrome › polycarential of infancy

Nearby codes

• E40 Kwashiorkor (this code)