LEVEL I — Highest Resources
• Regional tertiary care center
• Total care: prevention to rehab
• Full specialists, 24/7 coverage
• Research & education required
• High trauma volume

LEVEL II — Advanced Trauma Care
• Academic or community hospital
• Definitive trauma care
• Similar to Level I except complex cases
• Supplements Level I in urban areas

LEVEL III — Acute Stabilization
• Serves areas without Level I/II
• Assessment, resuscitation, emergency ops
• 24/7 general surgical coverage
• Transfers complex cases

LEVEL IV — Initial Evaluation
• Usually rural hospitals
• Initial evaluation & ATLS
• 24-hour emergency coverage
• Transfers most patients