R63.2 Polyphagia

Billable ICD-10-CM code, FY2026.

Applicable to

• Excessive eating
• Hyperalimentation NOS

Applies from R63 Symptoms and signs concerning food and fluid intake

Excludes1 (never code together)

• bulimia NOS (F50.2-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 783.6 Polyphagia

Code annotations containing back-references to R63.2

Back-references to R63.2

• Type 1 Excludes: E67 Other hyperalimentation ("hyperalimentation NOS (R63.2)")
• Use Additional: E88.82 Obesity due to disruption of MC4R pathway ("code, if applicable, to identify associated manifestations, such as polyphagia (R63.2)")
• Type 1 Excludes: F50 Eating disorders ("polyphagia (R63.2)")
• Code Also: Z15.2 Genetic susceptibility to obesity ("polyphagia (R63.2)")

Diagnosis Index entries for R63.2

• Abnormal, abnormality, abnormalities › increase in appetite
• Appetite › excessive
• Cynorexia
• Excess, excessive, excessively › eating
• Excess, excessive, excessively › nutrient (dietary) NEC
• Hyperalimentation
• Hyperphagia
• Overeating
• Polyphagia

Nearby codes

• R63 Symptoms and signs concerning food and fluid intake
• R63.0 Anorexia
• R63.1 Polydipsia
• R63.2 Polyphagia (this code)
• R63.3 Feeding difficulties
• R63.30 Feeding difficulties, unspecified
• R63.31 Pediatric feeding disorder, acute
• R63.32 Pediatric feeding disorder, chronic
• R63.39 Other feeding difficulties