What is the Ambulance Service?

The Ambulance Service is the emergency medical service of the NHS, responsible for responding to 999 calls involving illness or injury, providing urgent medical care at the scene, and transporting patients to hospital when needed.

In England, the service is delivered by ten regional NHS ambulance trusts, including the London Ambulance Service, the North West Ambulance Service, and the South Central Ambulance Service. Scotland is covered by the Scottish Ambulance Service, Wales by the Welsh Ambulance Services NHS Trust, and Northern Ireland by the Northern Ireland Ambulance Service. Together they handle tens of millions of calls each year, with paramedics, emergency medical technicians, ambulance care assistants, clinicians, and call handlers all involved in the response.

A 999 call for an ambulance is triaged by a trained call handler using a clinical decision support system. Calls are categorised from Category 1 (immediately life-threatening conditions such as cardiac arrest or severe bleeding, target response time seven minutes) through Category 2 (emergency such as stroke or chest pain, target 18 minutes), Category 3 (urgent but not immediately life-threatening, target 120 minutes for 90 per cent of calls), and Category 4 (less urgent, target 180 minutes). Response vehicles range from full double-crewed ambulances through rapid response cars, motorcycles, bicycles, and in some areas helicopters operated by the independent Air Ambulance charities. The Air Ambulance services are voluntary-sector organisations, not directly funded by the NHS, though their medical crews are often NHS doctors and paramedics working on secondment.

The Ambulance Service also operates non-emergency patient transport services, taking patients to planned hospital appointments, discharges, and inter-hospital transfers. These are booked through the NHS and are separate from the 999 system.

999 is the UK's primary emergency number and reaches the police, fire and rescue service, coastguard, and ambulance service. 112 is the European-wide emergency number and is also recognised in the UK. 111 is the NHS non-emergency medical advice service and should be used for urgent but not life-threatening medical problems; it is staffed by call handlers and clinical advisers who can direct callers to the right service, book appointments, or send an ambulance if needed.

Paramedics are registered healthcare professionals regulated by the Health and Care Professions Council (HCPC). They train through a three-year BSc degree in paramedic science, followed by supervised practice. Paramedics can administer a wide range of medications and interventions under NHS protocols, including resuscitation, defibrillation, pain relief, and airway management.

The Ambulance Service is free at the point of use, like the rest of the NHS.