Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of NICU
Medically reviewed by Min Clinic Staff | Updated: January 2026
NICU: Newborn, or Neonatal, Intensive Care Unit, an intensive care unit designed for premature and ill newborn babies. Less often, NICU may refer to a Neurologic Intensive Care Unit.