Pressure Ulcer Staging Pressure Ulcer Staging Suspected Deep Tissue Injury (sDTI): Purple or maroon localized area of discolored Suspected Deep Tissue Injury (sDTI): Purple or maroon localized area of discolored intact skin or blood-fi lled blister due to damage of underlying soft tissue from pressure intact skin or blood-fi lled blister due to damage of underlying soft tissue from pressure and/or shear. The area may be preceded by tissue that is painful, fi rm, mushy, boggy, and/or shear. The area may be preceded by tissue that is painful, fi rm, mushy, boggy, warmer or cooler as compared to adjacent tissue. warmer or cooler as compared to adjacent tissue. Stage 1: Intact skin with non- Stage 1: Intact skin with non- blanchable redness of a localized blanchable redness of a localized area usually over a bony prominence. area usually over a bony prominence. Darkly pigmented skin may not have Darkly pigmented skin may not have visible blanching; its color may differ visible blanching; its color may differ from surrounding area. from surrounding area. Stage 2: Partial thickness loss of Stage 2: Partial thickness loss of dermis presenting as a shallow open dermis presenting as a shallow open ulcer with a red pink wound bed, ulcer with a red pink wound bed, without slough. May also present as without slough. May also present as an intact or open/ruptured serum- an intact or open/ruptured serum- fi lled blister. fi lled blister. Stage 3: Full thickness tissue loss. Stage 3: Full thickness tissue loss. Subcutaneous fat may be visible but Subcutaneous fat may be visible but bone, tendon or muscle are not exposed. bone, tendon or muscle are not exposed. Slough may be present but does not Slough may be present but does not obscure the depth of tissue loss. May obscure the depth of tissue loss. May include undermining and tunneling. include undermining and tunneling. Stage 4: Full thickness tissue loss Stage 4: Full thickness tissue loss with exposed bone, tendon or with exposed bone, tendon or muscle. Slough or eschar may be muscle. Slough or eschar may be present on some parts of the wound present on some parts of the wound bed. Often include undermining and bed. Often include undermining and tunneling. tunneling. Unstageable: Full thickness tissue Unstageable: Full thickness tissue loss in which the base of the ulcer is loss in which the base of the ulcer is covered by slough (yellow, tan, gray, covered by slough (yellow, tan, gray, green or brown) and/or eschar (tan, green or brown) and/or eschar (tan, brown or black) in the wound bed. brown or black) in the wound bed. Pressure Ulcer Staging Pressure Ulcer Staging Suspected Deep Tissue Injury (sDTI): Purple or maroon localized area of discolored Suspected Deep Tissue Injury (sDTI): Purple or maroon localized area of discolored intact skin or blood-fi lled blister due to damage of underlying soft tissue from pressure intact skin or blood-fi lled blister due to damage of underlying soft tissue from pressure and/or shear. The area may be preceded by tissue that is painful, fi rm, mushy, boggy, and/or shear. The area may be preceded by tissue that is painful, fi rm, mushy, boggy, warmer or cooler as compared to adjacent tissue. warmer or cooler as compared to adjacent tissue. Stage 1: Intact skin with non- Stage 1: Intact skin with non- blanchable redness of a localized blanchable redness of a localized area usually over a bony prominence. area usually over a bony prominence. Darkly pigmented skin may not have Darkly pigmented skin may not have visible blanching; its color may differ visible blanching; its color may differ from surrounding area. from surrounding area. Stage 2: Partial thickness loss of Stage 2: Partial thickness loss of dermis presenting as a shallow open dermis presenting as a shallow open ulcer with a red pink wound bed, ulcer with a red pink wound bed, without slough. May also present as without slough. May also present as an intact or open/ruptured serum- an intact or open/ruptured serum- fi lled blister. fi lled blister. Stage 3: Full thickness tissue loss. Stage 3: Full thickness tissue loss. Subcutaneous fat may be visible but Subcutaneous fat may be visible but bone, tendon or muscle are not exposed. bone, tendon or muscle are not exposed. Slough may be present but does not Slough may be present but does not obscure the depth of tissue loss. May obscure the depth of tissue loss. May include undermining and tunneling. include undermining and tunneling. Stage 4: Full thickness tissue loss Stage 4: Full thickness tissue loss with exposed bone, tendon or with exposed bone, tendon or muscle. Slough or eschar may be muscle. Slough or eschar may be present on some parts of the wound present on some parts of the wound bed. Often include undermining and bed. Often include undermining and tunneling. tunneling. Unstageable: Full thickness tissue Unstageable: Full thickness tissue loss in which the base of the ulcer is loss in which the base of the ulcer is covered by slough (yellow, tan, gray, covered by slough (yellow, tan, gray, green or brown) and/or eschar (tan, green or brown) and/or eschar (tan, brown or black) in the wound bed. brown or black) in the wound bed. Pressure Points Pressure Points Supine Position Supine Position Heels Sacrum Elbows Scapulae Back of Heels Sacrum Elbows Scapulae Back of Head Head Prone Position Coccyx Prone Position Coccyx Toes Knees Genitalia Breasts Acromion Cheek Toes Knees Genitalia Breasts Acromion Cheek (men) (women) process and ear (men) (women) process and ear Lateral Position Lateral Position Malleolus Medial and Greater Ischium Ribs Ear Malleolus Medial and Greater Ischium Ribs Ear Lateral Condoyle Trochantor Lateral Condoyle Trochantor Pressure Points Pressure Points Supine Position Supine Position Heels Sacrum Elbows Scapulae Back of Heels Sacrum Elbows Scapulae Back of Head Head Prone Position Coccyx Prone Position Coccyx Toes Knees Genitalia Breasts Acromion Cheek Toes Knees Genitalia Breasts Acromion Cheek (men) (women) process and ear (men) (women) process and ear Lateral Position Lateral Position Malleolus Medial and Greater Ischium Ribs Ear Malleolus Medial and Greater Ischium Ribs Ear Lateral Condoyle Trochantor Lateral Condoyle Trochantor .