According to STN EN1789 Rapid Medical Aid/Rapid Surgical Aid are classified as ambulances of Type B: Ambulance of first aid - on-road ambulance constructed for transport of patients, basic treatment and monitoring.

Rapid Medical Aid/Rapid Surgical Aid  is constructed for transport of patients, who need first aid and continuous screening during the transport. Ambulance Rapid Surgical Aid   is intended for providing immediate prehospital or interhospital health care to patients who suffered acute injury or disease and need medical healthcare performed by a specialized doctor.

Ambulance Rapid Medical Aid is determined for rendering immediate prehospital or interhospital health care for patients who suffered acute injury or disease, who do not need instant medical care. Medical heath care is performed by non-medical staff in range of basic urgent support of life functions.