Pediatrics For a neonate at 48 hours of birth with a history of non-passage of meconium, next step in evaluation will be: A Sweat chloride level B CFTR mutation analysis C Lower GI study D Manometry 💡 Explanation For a neonate at 48 hours of birth with a history of non-passage of meconium, next step in evaluation will be: ✓ Correct Answer: C. Lower GI study