Patient presents with a stage 2 pressure ulcer located on the coccyx.  Examination reveals partial-thickness skin loss involving the epidermis and dermis, presenting as a shallow open ulcer with a red-pink wound bed, without slough.  The wound edges are defined and intact, without undermining or tunneling.  Surrounding skin is intact with no signs of maceration or erythema.  The ulcer measures 2 cm x 3 cm.  Patient reports mild pain at the site with palpation.  No purulent drainage or foul odor noted.  The pressure ulcer is attributed to prolonged sitting and immobility related to recent hip surgery.  Diagnosis of stage 2 pressure ulcer, coccyx confirmed.  Plan of care includes pressure redistribution measures using a pressure-relieving cushion, regular turning and repositioning every two hours, wound care with saline cleansing and application of a hydrocolloid dressing, and ongoing assessment of wound healing.  Nutritional assessment and optimization will be addressed.  Patient education provided on pressure ulcer prevention and care.  Follow-up appointment scheduled in one week to monitor wound progress and adjust treatment plan as needed.  ICD-10 code L89.152, Pressure ulcer of sacral region, stage 2, assigned.