Stable joint and ability to bear weight: (Likely Grade I)
NSAIDs, RICE (rest, ice, compression, elevation)
1 week follow up if no improvement
Stable joint but unable to bear weight or unstable joint (Grades II and III) :
Ankle cast immobilization or a removable walking boot for 7-10 days for grades II and III. Follow up at 5 days with ortho/podiatry. 
Posterior mold splint and ortho consult/referral
NSAIDs, RICE (rest, ice, compression, elevation)
1 week follow up if no improvement
Ankle cast immobilization or a removable walking boot for 7-10 days for grades II and III. Follow up at 5 days with ortho/podiatry. 
Posterior mold splint and ortho consult/referral
Ankle sprain
Elbow dislocation
Ankle dislocation
Ankle syndesmosis injury
Humerus fracture
Radiograph-negative ankle injury 
Patella fracture
Tibial plateau fracture