Ages 2-55: Order radiograph if one or more of the following is met:
Order x-ray if:
1. Stiell IG, Greenberg GH, McKnight RD, et al. Decision rules for the use of radiography in acute ankle injuries. JAMA. 1993;269:1127-1182.
2. Wolfe MW, Uhl TL, Mattacola CG, and McClucskey LC. Management of ankle sprains. Am Fam Physician. 2001;63(1):93-105.