E43 Unspecified severe protein-calorie malnutrition

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

Applicable to

• Starvation edema

Applies from E43 Unspecified severe protein-calorie malnutrition

Applicable to

• Starvation edema

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)

• 262 Other severe protein-calorie malnutrition (approximate)

Code annotations containing back-references to E43

Back-references to E43

• 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 E43

• 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 E43

• Anasarca › nutritional
• Atrophy, atrophic (of) › nutritional
• Deficiency, deficient › calorie, severe
• Disease, diseased › wasting NEC › due to › malnutrition
• Emaciation › due to malnutrition
• Malnutrition › degree › severe (protein-energy)
• Malnutrition › degree › third
• Malnutrition › protein › calorie › severe
• Malnutrition › protein › energy › severe
• Malnutrition › severe (protein-energy)
• Wasting › disease (syndrome) › due to › malnutrition
• Wasting › extreme (due to malnutrition)

Nearby codes

• E43 Unspecified severe protein-calorie malnutrition (this code)