Table 2.

Paramedic impression codes in Ontario and the UK for respiratory and mental health conditions

Category	Ontario problem codes	UK clinical impression codes
Respiratory	21: Dyspnoea 24: Respiratory arrest 11: Obstruction (partial/complete)	COPD Other respiratory problem Chest infection Choking Asthma Influenza
Mental health	45: Behaviour/psychiatric 81: Drug/alcohol overdose	Attempted suicide Intentional drug overdose Deprivation of liberty safeguards Anxiety Psychosis Effects of alcohol Social problem Under Mental Health Act section Accidental overdose/poisoning Depression Panic/anxiety attack Other mental health problem Dementia Query intoxicated