AAP/NASPGHAN Guideline for Diagnosis and Management of Faltering Weight

Summary:

The American Academy of Pediatrics (AAP) and NASPGHAN have released an evidence‑based guideline redefining and standardizing the diagnosis and management of faltering weight, replacing the term failure to thrive.  This one-page resource summarizes the new publication titled Clinical Practice Guideline for Diagnosis and Management of Faltering Weight. Read the full publication. 

Key Takeaways:

• The American Academy of Pediatrics (AAP) and NASPGHAN have released an evidence‑based guideline redefining and standardizing the diagnosis and management of faltering weight, replacing the term failure to thrive.

Related Questions & Answers

• How does the new AAP/NASPGHAN guideline define faltering weight?
  The guideline defines faltering weight using z-score-based criteria, noting that a diagnosis includes one of three criteria.
• What are the new criteria for defining faltering weight according to the AAP/NASPGHAN guideline for diagnosing and managing faltering weight?
  A diagnosis of faltering weight should include any of the following:
  • Weight‑for‑length or BMI‑for‑age less than –1.65 z score
  • Weight gain velocity less than –2 z score for age (in children younger than 2 years)
  • Decline in weight, weight‑for‑length, or BMI greater than or equal to 1 z score

References:

• Kersten H, Goday PS, Abdelhadi R, Clinical Practice Guideline for Diagnosis and Management of Faltering Weight. Pediatrics Volume 157, Issue 4. April 2026:e2025075764.