Interpreting common paediatric laboratory reference ranges

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Target exams

Red flags

• Critical or panic laboratory value without closed-loop clinician notification
• Severe hyperkalaemia, profound hypoglycaemia or extreme anaemia treated as inbox results
• Adult reference intervals applied to neonates or infants
• Unexpected result acted on without checking sample quality or identity
• Jaundice pathway thresholds confused with population bilirubin ranges
• Rising creatinine ignored because the number is 'only a bit high for an adult'
• Cascading unnecessary tests from a single haemolysed or non-fasting sample

Life stages

Care settings

Clinical exam formats

Board mappings

• General and Community Paediatrics
• Medical Sciences
• Renewed curriculum for first-year trainees from 2027 — Learning goal 5: Clinical assessment – essential general paediatrics
• Renewed curriculum for first-year trainees from 2027 — Learning goal 6: Diagnosis and investigation
• Renewed curriculum for first-year trainees from 2027 — Learning goal 12: Communication with patients, families, and health professionals
• Clinical Applications
• Long Cases
• Short Cases
• 4. Professional skills and knowledge: Patient management
• 7. Patient safety, including safe prescribing
• Foundation of Practice (FOP)
• Theory and Science (TAS)
• Applied Knowledge in Practice (AKP)
• Clinical
• History
• Communication
• General Pediatrics Content Outline — Universal Task 1: Physiology and Pathophysiology
• General Pediatrics Content Outline — Universal Task 3: Diagnosis
• General Pediatrics Content Outline — Domain 24: Patient Safety, Quality Improvement, and Research Methods
• Patient Care 4: Clinical Reasoning
• Patient Care 5: Patient Management
• Systems-Based Practice 1: Patient Safety
• Medical Expert
• Communicator
• Pediatrics: Foundations EPA #2 — Assessing, diagnosing and managing patients with common paediatric presentations