Pressure Ulcer Staging Guide

A bedsore can start as a patch of red skin that a facility explains away as "irritation" or "normal skin breakdown."

But pressure ulcers do not appear out of nowhere. They develop when vulnerable skin and tissue are compressed for too long, often because a nursing home failed to reposition a resident, keep them clean and dry, provide adequate nutrition, or respond to early warning signs. By the time a family sees an open wound, the neglect may have been building for days or weeks.

This pressure ulcer staging guide explains how bedsores are classified, what each stage can mean, and when a pressure injury may point to nursing home neglect.

What Is a Pressure Ulcer?

A pressure ulcer, often called a bedsore or pressure injury, is damage to the skin and underlying tissue caused by prolonged pressure. These wounds most often develop over bony areas where the body presses against a bed, wheelchair, recliner, or medical device.

Common locations include the tailbone, sacrum, hips, heels, ankles, elbows, shoulder blades, back of the head, and areas under medical devices. Older nursing home residents are especially vulnerable when they have limited mobility, poor nutrition, dehydration, incontinence, diabetes, vascular disease, cognitive impairment, or fragile skin.

Why Staging Matters

Pressure ulcer staging describes how deep the wound is and how much tissue has been damaged. Staging helps doctors choose treatment, but it also helps families understand whether the facility responded quickly enough.

A Stage 1 pressure injury may be reversible if staff act immediately. A Stage 3 or Stage 4 wound usually reflects deeper tissue destruction. Severe pressure ulcers can lead to infection, sepsis, surgery, amputation, and death.

The stage does not tell the whole story. A small wound can still be dangerous if it is infected, and a facility may mislabel a serious wound. But staging gives families a practical framework for asking better questions.

Stage 1 Pressure Ulcer

A Stage 1 pressure ulcer is intact skin with persistent redness or discoloration that does not quickly fade after pressure is relieved. On darker skin tones, the area may appear purple, blue, gray, darker than surrounding skin, or unusually shiny rather than bright red. The area may feel warmer, cooler, firm, soft, painful, itchy, tender, or different from nearby skin.

At Stage 1, the skin is not yet open. This is the warning stage. A properly staffed and attentive facility should respond immediately by relieving pressure, increasing repositioning, checking moisture, and updating the resident's care plan.

Family red flag: Staff say "it's just redness" but do not document a wound assessment, repositioning schedule, skin checks, or physician notification.

Stage 2 Pressure Ulcer

A Stage 2 pressure ulcer involves partial-thickness skin loss. The wound may look like a shallow open sore, blister, abrasion, or scraped area. The skin surface is broken, which increases the risk of infection.

At this stage, the facility should not treat the wound as routine. The resident needs wound care, pressure relief, moisture control, nutrition review, and close monitoring. Families should ask when the wound was first observed, who assessed it, what treatment was ordered, and whether the care plan changed.

Family red flag: The facility cannot explain when the skin first opened or claims the wound appeared suddenly with no prior redness or risk indicators.

Stage 3 Pressure Ulcer

A Stage 3 pressure ulcer is full-thickness skin loss. The wound extends deeper into tissue below the skin. Fat may be visible, and the wound may have slough, drainage, odor, tunneling, or undermining around the edges.

Stage 3 pressure ulcers are serious. They often require specialized wound care, frequent dressing changes, pressure-relieving equipment, infection monitoring, and physician involvement. In many nursing home cases, a Stage 3 wound raises urgent questions about whether staff missed earlier signs or failed to follow the resident's care plan.

Family red flag: The facility did not notify the family until the wound reached Stage 3, or records show missed turning, missed skin checks, poor hygiene, or unexplained gaps in wound documentation.

Stage 4 Pressure Ulcer

A Stage 4 pressure ulcer is full-thickness tissue loss with exposed or directly palpable deeper structures such as muscle, tendon, ligament, cartilage, or bone.

Stage 4 wounds can require hospitalization, surgical debridement, wound vacuum therapy, flap surgery, intravenous antibiotics, or long-term wound care. They can also be fatal when infection spreads to the bloodstream.

Justice 4 Elders has handled severe bedsore cases, including a $1.4 million nursing home bedsore recovery and a $1.25 million pressure ulcer recovery. Past results do not guarantee future outcomes, but they show how seriously these injuries must be investigated.

Family red flag: Staff describe a severe wound as unavoidable without showing a clear prevention plan, physician involvement, nutrition support, pressure-relief equipment, and consistent repositioning records.

Unstageable Pressure Ulcers and Deep Tissue Injuries

Not every pressure injury can be staged right away. A wound may be listed as unstageable when dead tissue, slough, or eschar covers the base of the wound so the true depth cannot be seen. Once that tissue is removed, the wound may prove to be Stage 3 or Stage 4.

A deep tissue pressure injury may look like dark red, maroon, purple, or blood-filled discoloration. The skin may remain intact at first, but deeper tissue has already been damaged.

Families should not assume "unstageable" means uncertain or minor. It can mean the wound is too severe or obscured to classify until more tissue is visible.

What Families Should Document

If you see a pressure injury, start documenting immediately.

Write down the date and time you first saw the wound, exact location, size, color, odor, drainage, surrounding skin condition, what staff said caused it, names of staff you spoke with, whether the resident reports pain, whether a doctor was notified, and any changes in weight, eating, drinking, hygiene, or alertness.

If it is safe and appropriate, take clear photos over time. Ask for wound care orders, the care plan, turning records, nutrition notes, and incident documentation. Do not rely on verbal assurances alone.

When to Call a Lawyer

Call an elder abuse attorney if your loved one has a Stage 2 or worse pressure ulcer, a wound that worsens despite facility assurances, signs of infection, unexplained weight loss, dehydration, or records that do not match what you observed.

You should also call if the facility delayed telling you about the wound, refuses to provide records, gives changing explanations, or says the wound was unavoidable but cannot show prevention efforts. An attorney can help preserve records, obtain the full chart, review wound care documentation, investigate staffing, and determine whether the injury resulted from neglect.

How Justice 4 Elders Can Help

Justice 4 Elders represents families in nursing home abuse and neglect cases across California, Arizona, and Nevada. We have offices in Glendale, Phoenix, and Las Vegas, and our work focuses on protecting vulnerable seniors from preventable harm.

We investigate pressure ulcer cases by reviewing medical records, wound photographs, care plans, staffing records, nutrition notes, repositioning logs, and facility citation history.

• Phone: (866) 654-4857
• Offices: Glendale, CA · Phoenix, AZ · Las Vegas, NV

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Frequently Asked Questions

Are pressure ulcers always a sign of neglect?

Not always. Some residents are medically fragile and at high risk. But serious pressure ulcers are often preventable with proper assessment, turning, hygiene, nutrition, hydration, and wound care. A Stage 3 or Stage 4 wound should be investigated carefully.

What is the most serious pressure ulcer stage?

Stage 4 is generally the most severe staged pressure ulcer because deeper structures such as muscle, tendon, or bone may be exposed or directly involved. Unstageable wounds and deep tissue injuries can also be very serious.

How much does it cost to speak with Justice 4 Elders?

The consultation is free. Justice 4 Elders works on a contingency fee basis, which means you pay nothing unless we recover compensation for your family.

By Barry A. Drucker, Associate Attorney at Justice 4 Elders. This article is for informational purposes and does not constitute legal advice or medical advice. Past results do not guarantee future outcomes. If your loved one has a pressure ulcer in a nursing home, contact Justice 4 Elders at (866) 654-4857 for a free consultation.