Burn Degrees and TBSA: What They Mean for Your Claim

When a burn is described to you in the hospital, you hear a degree and a percentage. Second degree. Eighteen percent. Those two numbers will follow the case from the emergency department to the last conversation about settlement, and most people never get a plain explanation of what they mean or why they matter so much.

Here is the version we would give a friend.

The degrees, in plain terms

First degree (superficial)

The outer layer only. Red, painful, no blistering, heals in about a week without scarring. Sunburn is the familiar example. On its own it rarely supports a significant claim, though it can matter as part of a larger injury picture.

Second degree (partial thickness)

Through the outer layer into the dermis. Blistering, swelling, significant pain. This is the category where the range is widest, because it splits in two. Superficial partial-thickness burns often heal in a few weeks with little permanent mark. Deep partial-thickness burns behave much more like third degree: they may need grafting, and they commonly scar.

That distinction is frequently the single most consequential line in an early medical record, and it is not always assessed the same way by every provider on day one.

Third degree (full thickness)

Through the dermis entirely. The area can look white, leathery, or charred, and it is often numb because the nerve endings are destroyed, which is why "it does not hurt much" is a dangerous reassurance with a deep burn. These do not heal from the edges alone. Grafting is the norm, and permanent scarring follows.

Fourth degree

Into muscle, tendon, or bone. Function is directly at stake, and amputation is sometimes part of the picture. These are catastrophic injuries and are valued as such.

TBSA: the percentage, and why it is not a value formula

Total body surface area is the share of the body burned, estimated at intake using the rule of nines or a Lund and Browder chart. It drives medical decisions: fluid resuscitation, whether a burn center transfer is needed, infection risk, and length of stay.

It is important to understand what TBSA is not. It is not a valuation formula. A 6 percent burn across both hands can be worth considerably more than a 20 percent burn on the back, because the hands are what you work with and the back is not what people see. Anyone who tells you the percentage sets the number is skipping the part that matters.

Why the classification is worth checking

Initial burn depth assessments are made quickly, under pressure, and they are sometimes revised as the wound declares itself over the following days. A burn charted as superficial partial-thickness on arrival and later treated with grafting was, in fact, deeper than the first note said.

When the early record and the later treatment disagree, that gap gets noticed during claim evaluation, and it usually gets resolved against the person with the burn unless somebody puts the operative notes next to the intake note and explains the sequence. Reading medical records closely is ordinary work in these cases, not extraordinary, and it is where a good deal of value either survives or quietly disappears.

What the degree means for the claim itself

• Grafting changes the case. A graft means a second wound at the donor site, a longer recovery, and permanent visible difference in skin texture and color at both locations.
• Numbness is not good news. It usually signals depth, and depth signals permanence.
• Joints and hands raise the stakes. Scar contracture across a joint restricts motion, and restricted motion is a functional loss that carries into work capacity.
• Scar maturation takes a year or more. Valuing a burn before the scar has matured means valuing a picture that is still changing. That is one of the more common ways these cases get settled short.

What to do with this

Ask your treating team for the burn depth assessment and the TBSA figure in writing, and ask again if the plan changes. Keep the operative reports. Photograph on a schedule through the whole course, including the stretch where it looks worst. If the classification in the chart does not match the treatment you actually received, that is worth having somebody look at.

We represent injured people in Denver and across Colorado and are available to evaluate burn-injury claims. No attorney fee unless we recover for you. Clients may still be responsible for case costs, or for the other side's attorney fees if a court orders them. In practice we routinely waive case costs, and court-ordered fee awards against an injured plaintiff are rare. If you want someone to read the records with you, call (720) 432-7032 or reach our Denver burn injury lawyers. You can also read what drives value in Colorado burn settlements.