Non-pressure chronic ulcer of lower limb, not elsewhere classified Includes:chronic ulcer of skin of lower limb NOSnon-healing ulcer of skinnon-infected sinus of skintrophic ulcer NOStropical ulcer NOSulcer of skin of lower limb NOSExcludes2pressure ulcer (pressure area) (L89.-)skin infections (L00-L08)specific infections classified to A00-B99