Priority 1 (Red tag): Treatable Life-Threatening Illness or Injuries. Airway and breathing difficulties; uncontrolled or severe bleeding; decreased mental status; patients with severe medical problems; shock (hypoperfusion); severe burns
Priority 2 (yellow tag): Serious But Not Life-Threatening Illness or Injuries. Burns without airway problems; major or multiple bone or joint injuries; back injuries with or without spinal cord damage
Priority 3(black tag): “Walking Wounded.” Minor musculoskeletal injuries; minor soft-tissue injuries
Priority 4 (sometimes called Priority 0, black tag): Dead or Fatally Injured. Examples include exposed brain matter, cardiac arrest (no pulse for over 20 minutes except with cold-water submersion or severe hypothermia), decapitation, severed trunk, and incineration.