Ulcer Classification

To give you an idea of the pressure ulcer (decubitus) problem, we would like to give you some basic information on this topic.

National Pressure Ulcer Advisory Panel (NPUAP) – For pressure ulcers

On initial inspection, the depth of a pressure sore also is indicated by staging. Stage is indicated by nothing the deepest layer of exposed tissue.

Stage I

Nonblanchable erythema of intact skin heralding lesion of skin ulceration. In individuals with darker skin, discoloration of the skin, warmth, edema, induration or hardness may be indicators.

decubitus ulcer stage 1

decubitus ulcer stage 1

Stage II

Partial thickness skin loss involving epidermis, dermis, or both. The ulcer is superficial and presents clinically as an abrasion, blister, or shallow center.

decubitus ulcer stage II

decubitus ulcer stage II

Stage III

Full thickness skin loss involving damage to or necrosis of subcutaneous tissue that may extend down to, but not through underlying fascia. The ulcer presents clinically as deep crater with or without undermining of adjacent tissue.

decubitus ulcer stage III

decubitus ulcer stage III

Stage IV

Full thickness skin loss with extensive destruction, tissue necrosis, or damage to muscle, bone, or supporting structures (e.g, tendon, joint capsule). Undermining and sinus tracts also may be associated with Stage IV pressure ulcers.

decubitus ulcer stage IV

decubitus ulcer stage IV