Grade I |
Extra-articular fracture without distal ulnar fracture |
Grade II |
Extra-articular fracture with distal ulnar fracture |
Grade III |
Intra-articular fracture involving the radiocarpal joint without distal ulnar fracture |
Grade IV |
Intra-articular fracture involving the radiocarpal joint with distal ulnar fracture |
Grade V |
Intra-articular fracture involving the distal radioulnar joint without distal ulnar fracture |
Grade VI |
Intra-articular fracture involving the distal radioulnar joint with distal ulnar fracture |
Grade VII |
Intra-articular fracture involving both the radiocarpal and distal radioulnar joints without distal ulnar fracture |
Grade VIII |
Intra-articular fracture involving both the radiocarpal and distal radioulnar joints with distal ulnar fracture |