Table 1: Brodsky anatomic classification of Charcot arthropathy (Types 1-3B) with Trepman, et al. modification (Types 4 and 5).
| Type | Location | Involved joints |
| 1 | Midfoot | Naviculocuneiform, arsometatarsal |
| 2 | Backfoot | Subtalar, calcaneocuboid, talonavicular |
| 3A | Ankle | Tibiotalar |
| 3B | Calcaneus | Tuberosity fragmentation |
| 4 | Multiple regions | Sequential, coincidental |
| 5 | Front foot | Metatarsophalangeal |