Paediatricscommon
You are the intern on the postnatal ward. The newborn screening laboratory telephones about a 5-day-old girl: the immunoreactive trypsinogen was raised on the bloodspot taken at 50 hours of age, and two cystic fibrosis-causing variants were found on the mutation panel. She is breastfeeding well, has regained her birth weight, and passed meconium on day one. Her parents have been told only that something came back on the heel prick and are waiting to speak with you. Which one of the following should be arranged first?