penetrating injury to head, neck, chest, abdomen, pelvis, axilla or groin
significant blunt injury to head, chest, abdomen, axilla or groin
two or more of the above body regions injured
limb threatening injuries
amputated limb
suspected spinal cord injury
burns > 20% or suspected to involve the respiratory tract
serious crush injury
major compound fracture
open dislocation
fracture to two or more of femur, tibia, or humerus
fractured pelvis