The emergency room doctor ran a concussion blood test after your crash, and it came back clear. That sounds like good news. However, a normal result does not prove your brain escaped injury. It also does not end your right to compensation. Below, we explain what this new test measures, what it misses, and why insurers love to wave it around. We also explain why a Charlotte brain injury lawyer can protect your claim when the lab report says “negative.”
What a Concussion Blood Test Actually Measures
Hospitals now use blood tests to help evaluate head injuries. The best-known version comes from Abbott and runs on its i-STAT Alinity system. It measures two proteins, GFAP and UCH-L1. Brain cells release these proteins into the blood after certain injuries.
The FDA cleared the whole blood version for adults 18 and older. Results arrive in about 15 minutes. Moreover, doctors can use it up to 24 hours after the injury. Its main job is narrow, though. It helps doctors decide whether a patient needs a CT scan.
In other words, the test screens for injuries a CT scan would likely show. Bleeding and bruising inside the skull fall into that group. Most concussions do not.
Why a Clear Result Does Not Rule Out a Brain Injury
A concussion often damages the brain at the cellular level. Nerve fibers stretch and twist. Chemical balance shifts. Yet none of that may appear on a CT scan. For that reason, a test built to predict CT findings can read normal while you still have a real injury.
Timing creates another gap. Protein levels rise and fall over hours. A blood draw taken too early or too late may miss the peak. Children present a further problem, since the FDA clearance covers adults only.
Symptoms also tell their own story. Headaches, fog, light sensitivity, and mood changes often surface days later. Consequently, many people feel worse a week after the ER visit than they did that night. We explain this pattern in our post on why concussion symptoms come and go.
Why Insurance Adjusters Love a Normal Test Result
Adjusters look for anything that makes an injury seem minor. A lab printout that says “negative” gives them an easy talking point. They may claim the test proves you never had a concussion. Then they may argue your later symptoms came from stress, age, or something else.
That argument twists the science. Still, it works on people who face the insurer alone. A rushed settlement offer often follows soon after. Once you sign a release, you cannot reopen the claim if your symptoms linger.
North Carolina law adds pressure. Under the state’s contributory negligence rule, any share of fault can bar recovery. So, insurers fight on two fronts at once. First, they question whether you were careful. Next, they question whether you were hurt at all.
What Evidence Proves a Concussion After a Clear Test
A strong brain injury claim rests on more than one test. Instead, it builds a full picture from several sources:
- Emergency records that note confusion, memory gaps, or vomiting at the scene.
- Specialist findings from neurologists, concussion clinics, or vestibular therapists.
- A neuropsychological evaluation that measures memory, focus, and processing speed.
- Statements from coworkers, friends, and family who saw your change.
- Work records that show missed days, errors, or reduced duties.
Each piece matters because the blood test answers only one question. Your case must answer many more. For example, it must show how the injury affects your job, your family, and your future.
Why You Need a Lawyer After a Clear Concussion Blood Test
Speak with a Charlotte car accident lawyer and get a free consultation today.
Call (980) 246-2656A lawyer turns scattered records into proof. Our Charlotte concussion injury team does exactly that. At Shane Smith Law, we know how insurers use a normal concussion blood test against injured people. Therefore, we prepare for that argument from the start.
Our team connects you with doctors who treat brain injuries, not just broken bones. We also gather the medical records, witness accounts, and expert opinions that fill the gaps a lab test leaves. Meanwhile, we handle every call from the adjuster, so a careless comment never undercuts your case.
Time matters as well. North Carolina generally gives injured adults three years to file a lawsuit. Evidence fades much faster, though. Video gets erased, and witnesses forget details. As a result, early help often makes the biggest difference.
One client summed up our approach well: “It’s not just about the case for them; they truly care about me as a person.” — Meagan Boyer
Talk to Shane Smith Law About Your Brain Injury
A clear test result should not decide your future. If you still feel off after a crash or fall, your symptoms deserve a serious look. Our Charlotte team will review your records, explain your options, and fight for full compensation.
Consultations are free, and you pay no fee unless we win. Call or text (980) 246-2656 or complete a free case evaluation form today.
