Demand for paediatric outpatient subspecialty clinics is increasing. Clinical triage has an important role in workflow and ensuring patients are seen in a timely manner, appropriate to their clinical need. Clinicians who triage referrals rely on provision of adequate clinical information and relevant investigations. Referrals to a paediatric gastroenterology outpatient service in a large tertiary hospital were audited prospectively to determine appropriateness of clinical information and investigations provided, and to identify gastrointestinal conditions where general practitioners may benefit from targeted education. To the authors' knowledge, this is the first study assessing challenges of clinical triage in Australian paediatric subspecialty outpatient services.