Grades foot ulcers on a scale of 0-5.
Grade 0-no open lesions, may have evidence of healed lesions or deformities.
Grade 1-superficial ulcer
Grade 2-deeper ulcer to tendon, bone or joint capsule.
Grade 3-deeper tissues involved, with abscess, osteomyelitis, or tendonitis.
Grade 4-localized gangrene of toe or forefoot.
Grade 5-gangrene of the foot, partial or complete.