suspected deep-tissue - purple or maroon localized area of dicolored intact kin or blood-filled blister due to damage of underlying soft tissue - painful, mushy, firm, boggy, warmer, or cooler area
Stage I - defined area of intact skin with nonblanchable redness of localized area over a bony prominence
Stage II partial thickness loss of dermis, shallow open ulcer with a red pink wound bed without slough, shiny or dry without bruising., or intact or open rupture serum-filled blister.
Stage III full thickness tissue loss but no bone, tendon, or muscle is exposed. SLough, undermining and tunneling may be present.
Stage IV full thickness loss with exposed bone, tendon, or muscle, slough or eschar present.
Unstageable when covered with slough, and/or eschar.