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. 2022 Dec 15;13(12):1106–1121. doi: 10.4239/wjd.v13.i12.1106

Table 1.

Wagner-Meggit classification

Grade
Lesion
0 No open lesion
1 Superficial ulcer
2 Deep ulcer to tendon or joint capsule
3 Deep ulcer with abscess, osteomyelitis or joint sepsis
4 Local gangrene - fore foot or heel
5 Gangrene of entire foot