Revised AO/OTA Fracture and Dislocation Classification


A revision of the AO/OTA Fracture and Dislocation Classification was published in the January 2018 issue of the Journal of Orthopaedic Trauma.

Click here to access the new compendium and support materials.

To provide users with a more streamlined, concise, and clinically relevant tool, changes to terminology and typography were made, a review of the codes with regards to frequency and applicability was conducted, paired bones (radius/ulna and tibia/fibula) are now coded individually, all fracture illustrations were newly produced, and a list of universal modifiers and qualifications were introduced.​​

AO Classifications

For over forty years, the AO has imparted the principles of fracture management through publications and special courses globally.

An AO classification provides first-rate guidance and expertise, compiled by nearly one hundred contributors, all of whom are renowned surgeons and members of the AO faculty. This work is an excellent reference and unique learning tool.​

AO/OTA Classification

The AO/OTA Classification is more than a paper leaflet. You can also conduct an eLearning activity or install the iPhone app on your smartphone.

Pediatric Classification

The Pediatric Classification is available as a leaflet that you can refer to on your computer or print, fold and take along for quick reference when treating young patients.

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