P92.6 Failure to thrive in newborn

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• failure to thrive in child over 28 days old (R62.51)

Applies from P92 Feeding problems of newborn

Excludes1 (never code together)

• eating disorders (F50.-)

Excludes2 (not included here)

• feeding problems in child over 28 days old (R63.3-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 779.34 Failure to thrive in newborn

Code annotations containing back-references to P92.6

Back-references to P92.6

• Type 1 Excludes: R62.51 Failure to thrive (child) ("failure to thrive in child under 28 days old (P92.6)")

Back-references to P92

• Type 2 Excludes: E63 Other nutritional deficiencies ("feeding problems in newborn (P92.-)")
• Type 1 Excludes: F50 Eating disorders ("feeding problems of newborn (P92.-)")
• Type 2 Excludes: F98.2 Other feeding disorders of infancy and childhood ("feeding problems of newborn (P92.-)")
• Type 2 Excludes: R63.3 Feeding difficulties ("feeding problems of newborn (P92.-)")

Diagnosis Index entries for P92.6

• Failure, failed › gain weight (child over 28 days old) › newborn
• Failure, failed › to thrive (child over 28 days old) › newborn
• Lack of › development (physiological) › failure to thrive (child over 28 days old) › newborn

Nearby codes

• P92.1 Regurgitation and rumination of newborn
• P92.2 Slow feeding of newborn
• P92.3 Underfeeding of newborn
• P92.4 Overfeeding of newborn
• P92.5 Neonatal difficulty in feeding at breast
• P92.6 Failure to thrive in newborn (this code)
• P92.8 Other feeding problems of newborn
• P92.9 Feeding problem of newborn, unspecified