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Wagner's classification of diabetic foot ulcers
| Ulcer grading | Description |
|---|---|
| Grade 0 | No ulcer but high-risk foot |
| Grade 1 | Superficial ulcer |
| Grade 2 | Deep ulcer, no bony involvement or abscess |
| Grade 3 | Abscess with bony involvement (as shown by X-ray) |
| Grade 4 | Localized gangrene e.g. toe, heel etc |
| Grade 5 | Extensive gangrene involving the whole foot |
Note: Grade 1--3 ulcers are termed non-gangrenous ulcers and Grade 4 and 5 ulcers are termed gangrenous ulcers
