R63.31 Pediatric feeding disorder, acute

Billable ICD-10-CM code, FY2026.

Applicable to

• Pediatric feeding dysfunction, acute

Code also

• , if applicable, associated conditions such as:
• aspiration pneumonia (J69.0)
• dysphagia (R13.1-)
• gastro-esophageal reflux disease (K21.-)
• malnutrition (E40-E46)

Applies from R63 Symptoms and signs concerning food and fluid intake

Excludes1 (never code together)

• bulimia NOS (F50.2-)

Applies from R63.3 Feeding difficulties

Excludes2 (not included here)

• eating disorders (F50.-)
• feeding problems of newborn (P92.-)
• infant feeding disorder of nonorganic origin (F98.2-)

MS-DRG index

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

Medicare Code Edits (MCE v43.1 (April 2026))

• Pediatric diagnoses (age 0 through 17): Age conflict edit. These diagnoses are clinically expected only in patients age 0 through 17.

Code annotations containing back-references to R63.31

Back-references to R63.3

• Type 2 Excludes: F50 Eating disorders ("feeding difficulties (R63.3-)")
• Type 2 Excludes: F98.2 Other feeding disorders of infancy and childhood ("feeding difficulties (R63.3-)")
• Type 2 Excludes: P92 Feeding problems of newborn ("feeding problems in child over 28 days old (R63.3-)")

Diagnosis Index entries for R63.31

• Disorder (of) › feeding (infant or child) › pediatric › acute
• Dysfunction › feeding, pediatric › acute

Nearby codes

• R63.0 Anorexia
• R63.1 Polydipsia
• R63.2 Polyphagia
• R63.3 Feeding difficulties
• R63.30 Feeding difficulties, unspecified
• R63.31 Pediatric feeding disorder, acute (this code)
• R63.32 Pediatric feeding disorder, chronic
• R63.39 Other feeding difficulties
• R63.4 Abnormal weight loss
• R63.5 Abnormal weight gain
• R63.6 Underweight