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Texas classification
| Texas classification | Grade 0: the epidermis is intact before and after ulcer formation | Grade 1 :superficial ulcers, not involving tendons, joint sacs or bone | Grade 2: the wound involves the tendon or capsule of the joint | Grade 3: the wound involves bone or joint |
|---|---|---|---|---|
| Stage A: no ischemia or infection | A0 | A1 | A2 | A3 |
| Stage B: infection | B0 | B1 | B2 | B3 |
| Stage C: ischemia | C0 | C1 | C2 | C3 |
| Stage D: ischemia and infection | D0 | D1 | D2 | D3 |
