# ALS Ambulance > ALS Ambulance means an ambulance providing Advanced Life Support (ALS) staffed by paramedics, used for critical patient transfers or emergencies. **Term:** ALS Ambulance **Last updated:** 2026-07-29 ## Definition ## What ALS Ambulance Means in a Contract An ALS Ambulance is a defined service category in healthcare, transport, and insurance contracts that specifies a vehicle staffed by paramedics or equivalent clinicians capable of delivering Advanced Life Support interventions. This distinguishes it from a Basic Life Support (BLS) unit, which is typically staffed by emergency medical technicians offering more limited care such as oxygen administration and basic first aid. When a contract references an ALS Ambulance, it is not merely describing a vehicle type but committing the provider to a specific clinical capability, staffing standard, and equipment inventory. The term matters because payment obligations, liability allocations, and service level expectations often hinge on whether a transport qualifies as ALS or BLS. A healthcare provider or transport company that agrees to supply ALS Ambulances is contractually bound to maintain paramedics on board, along with equipment like cardiac monitors, defibrillators, and medication kits necessary for advanced interventions. In many agreements, particularly those involving