Average concussion / mild tbi settlement in Hawaii
Typical HI range (2026)
$23K – $150K
Severe cases can reach $1.1 million or more. Hawaii settlements trend above the national average.
Concussions are classed as mild traumatic brain injuries, but their effects — memory problems, headaches, mood changes, sensitivity to light — can persist for months or years (post-concussion syndrome). Insurers underpay these claims because symptoms don't show on standard imaging; documentation is everything.
How a concussion / mild tbi claim actually works in Hawaii
Hawaii is a no-fault state: your own insurer's $10,000 in personal injury protection pays your medical bills and lost wages first, regardless of who caused the crash.
To sue the at-fault driver for pain and suffering, you must clear a threshold — either your medical expenses exceed the amount set by the insurance commissioner, or you suffered a permanent injury, significant scarring, or loss of a bodily function.
Below the threshold, PIP is effectively your only recovery for injury; above it, Hawaii applies modified comparative negligence with a 51% bar to whatever pain-and-suffering claim you pursue against the at-fault driver.
Hawaii rules that shape your claim
Filing deadline
2 years
You generally have 2 years from the accident date to file a lawsuit in Hawaii.
Fault rule
Modified comparative (51% bar)
Hawaii bars recovery once your fault exceeds 50%; at or below that line your damages are reduced by your share.
Minimum liability coverage
$20K / $40K
Many Hawaii drivers carry only the minimum — a key reason to check your own underinsured-motorist coverage.
Uninsured motorist coverage
Optional
Hawaii does not require UM, which is why so many concussion / mild tbi claims stall at the at-fault driver's minimum limits. Read your own declarations page anyway; most people carry it without realising.
Claim climate
Hawaii is a no-fault state with $10,000 in personal injury protection. To sue for pain and suffering you must clear a medical-expense threshold that the insurance commissioner adjusts periodically, or suffer a permanent injury such as significant scarring or loss of a body function.
Fault math, worked through
25% at fault on a $150K claim pays $113K
Suppose a concussion / mild tbi claim in Hawaii is worth $150,000 on the facts. Found 25% responsible, you recover $112,500 — the full value less your share. Hawaii's modified comparative rule adds a cliff: at 51% or more responsibility you recover nothing at all. That makes the fault percentage the central fight in any Hawaii claim where liability is genuinely shared, because a few points either side of the line is the difference between a partial recovery and zero.
A typical HI concussion / mild tbi claim is worth more than the minimum policy that has to pay it
Hawaii requires drivers to carry $20K per person. A concussion / mild tbi claim in the typical Hawaii range tops out around $150,000. That is $130,000 of value with no policy behind it if the at-fault driver bought the legal minimum — and a severe case at $1.1 million leaves $1.1 million unreachable. This is why the first question worth asking is not what the claim is worth but what coverage exists, and why the answer often turns on your own policy rather than theirs.
| Where the money comes from | Available | What decides it |
|---|---|---|
| At-fault driver's liability policyRuns out first | $20K minimum | Hawaii's legal floor per injured person ($20K / $40K). Many drivers carry exactly this and nothing more. |
| Your uninsured / underinsured motorist coverage | Optional | Hawaii does not require it. Check your declarations page anyway; a large share of drivers carry it without knowing, and on a claim this size it is frequently the difference between the policy limit and the actual value. |
| Your PIP / no-fault benefits | Pays first | Hawaii is a no-fault state: your own PIP pays medical bills regardless of who caused the crash, and it pays them now rather than at settlement. It does not pay pain and suffering. |
| Commercial, employer or umbrella policy | Case-specific | If the at-fault driver was working, driving a company vehicle, or delivering, a commercial policy with far higher limits usually sits behind them. On a concussion / mild tbi claim worth $150K or more this is the single most valuable thing to establish early. |
The clock
Hawaii's 2-year deadline against a concussion / mild tbi timeline
A concussion / mild tbi claim commonly runs 9 to 18 months from injury to settlement. Against Hawaii's 24-month filing deadline that leaves roughly 6 months of margin at the long end — enough, but not enough to spend six of them deciding whether to make a claim. The clock runs from the date of the injury, not from the date you realised how badly you were hurt.
Every Hawaii deadline that can end your claim
The headline statute of limitations is rarely the deadline people actually miss.
| Deadline | Window | Why it matters |
|---|---|---|
| Personal injury lawsuit | 2 years from the crash | Haw. Rev. Stat. § 657-7. |
| PIP claim to your own insurer | Prompt notice required, typically within days to weeks | No-fault benefits move on a much faster internal claims clock than the two-year lawsuit deadline — notify your insurer immediately. |
What surprises Hawaii claimants
Rules that are specific to Hawaii and routinely catch people who assumed the national norm applied.
The PIP threshold decides whether you can sue at all
Clearing the medical-expense threshold — or documenting a qualifying permanent injury — is the gatekeeping fact in every Hawaii claim. Treatment records that stop too early can keep a genuine injury below the line.
Island geography concentrates claims in a few venues
Most Hawaii injury litigation runs through Oahu's courts regardless of which island the crash occurred on, which creates more settlement-pattern consistency than in larger mainland states.
Rental-car and tourist crashes are common
Hawaii's tourism economy means a disproportionate share of crashes involve rental vehicles and out-of-state drivers, which often adds a layer of rental-company and secondary insurance to the claim.
Concussion / Mild TBI settlement bands in Hawaii
National severity bands adjusted for Hawaii's cost of care and verdict climate. Find the row that matches your own treatment.
| Severity | What it looks like | Typical range |
|---|---|---|
| Brief concussion, full recovery | Symptoms resolving within two to four weeks, no imaging findings, no lost work beyond a few days. | $17K–$46K |
| Prolonged recovery | Symptoms lasting one to three months, referral to a concussion clinic, restricted work or screen time. | $40K–$104K |
| Post-concussion syndrome | Symptoms past three to six months, neuropsychological testing showing measurable deficits, vestibular therapy. | $98K–$403K |
| Permanent cognitive deficit | Documented lasting impairment affecting employment, requiring accommodation or career change. | $345K–$1.7M |
Educational ranges compiled from published settlement and verdict reporting. Not a valuation of any specific claim.
Where a HI concussion / mild tbi claim outgrows the minimum policy
Hawaii's minimum liability coverage is $20K per person. Reading down this ladder, a concussion / mild tbi claim clears that figure at the “Brief concussion, full recovery” band — so anyone whose treatment has reached that stage is no longer negotiating over what the claim is worth so much as over where the money is going to come from. Every band on this ladder sits above that figure, so a minimum-limits policy cannot pay a HI concussion / mild tbi claim at any severity.
Brief concussion, full recovery
$18K–$45K
Claim value passes the state minimum here
Symptoms resolving within two to four weeks, no imaging findings, no lost work beyond a few days.
Prolonged recovery
$40K–$100K
Symptoms lasting one to three months, referral to a concussion clinic, restricted work or screen time.
Post-concussion syndrome
$98K–$400K
Symptoms past three to six months, neuropsychological testing showing measurable deficits, vestibular therapy.
Permanent cognitive deficit
$350K–$1.7M
Documented lasting impairment affecting employment, requiring accommodation or career change.
How treatment moves a HI concussion / mild tbi claim
Concussion claims typically take 8 to 18 months, longer than the injury itself, because value cannot be assessed until it is clear whether symptoms will resolve. Post-concussion syndrome claims routinely run two years or more.
Emergency CT scan
Rules out bleeding. A normal CT is expected in concussion and does not mean nothing happened — but the insurer will present it as if it does.
Documented symptom tracking in the first weeks
Concussion claims live or die on contemporaneous records. Symptoms reported at week two carry weight that the same symptoms recalled at month six do not.
Neurology or concussion-clinic referral
Specialist involvement moves the claim out of the soft-tissue bucket and signals that the injury was taken seriously.
Neuropsychological testing
The highest-leverage step in the entire claim. Standardized testing produces objective deficit scores an adjuster cannot wave away.
Vocational assessment
Where cognitive deficits affect work, a vocational expert translates them into a lost-earning-capacity figure — usually the largest number in the file.
Proving a concussion / mild tbi claim in Hawaii
Emergency record noting loss of consciousness, confusion, or amnesia
Neuropsychological test battery with standardized scores
Statements from family or coworkers describing observed changes
Employer documentation of accommodations, errors, or reduced hours
Symptom diary kept from the first week forward
What concussion / mild tbi compensation in Hawaii is made of
The $23K–$150K figure above is a total. These are the parts it is a total of, and which of them you have to document yourself.
Medical bills, at the billed amount
Every concussion / mild tbi demand starts with the total your providers billed — not what a health plan negotiated it down to, and not what you were left owing at the counter. The cost of the same course of treatment runs above the national average in Hawaii, which is part of why the HI range sits where it does. The bills that get missed are the ones with no claim behind them: the urgent care visit you paid cash for, the brace, the mileage to twenty physical therapy appointments.
Income you already lost, and income you will
Wages you have missed are the straightforward half — a payroll record proves them. Earning capacity is the contested half: what the concussion / mild tbi costs you in the years after the file closes. A HI concussion / mild tbi claim takes 9 to 18 months to value largely because that answer does not exist until a physician will put a lasting restriction in writing. Self-employed claimants carry the heaviest burden here, because there is no employer to write the letter.
Pain and suffering — if you clear Hawaii's threshold
Hawaii is a no-fault state. Your own PIP coverage pays medical bills quickly and pays nothing at all for what the injury did to your life. That compensation only becomes available once the injury meets the state's threshold, which means the documentation of permanence or serious impairment is doing double duty: it proves the concussion / mild tbi and it unlocks the largest component of the claim.
What the figure does not include
Vehicle or property damage settles on a separate track and does not raise the injury number, so accepting that cheque early costs you nothing. Nor does the range above assume you claimed household help, childcare you had to pay for while you could not lift, or the prescriptions you filled without submitting. Those are recoverable and routinely go unclaimed, because nobody keeps receipts for a bad month.
Concussion / Mild TBI in Hawaii: the questions people ask
The questions people actually search for on this topic, answered in full.
How much is a concussion / mild tbi settlement worth in Hawaii?
Typical concussion / mild tbi claims in Hawaii run $22,500 to $150,000, with severe cases reaching $1.1 million or more. Hawaii settlements trend above the national average — higher medical costs and more generous venues both push values up. Your own number depends on treatment, permanence, fault, and the insurance actually available.
How long do I have to file a concussion / mild tbi claim in Hawaii?
Hawaii gives you 2 years from the date of the crash to file a personal injury lawsuit. Other deadlines run shorter — pip claim to your own insurer (Prompt notice required, typically within days to weeks). Missing the applicable deadline ends the claim regardless of how strong it is.
What happens to my concussion / mild tbi claim if I was partly at fault in Hawaii?
Hawaii bars recovery once your fault exceeds 50%; at or below that line your damages are reduced by your share. Suppose a concussion / mild tbi claim in Hawaii is worth $150,000 on the facts. Found 25% responsible, you recover $112,500 — the full value less your share. Hawaii's modified comparative rule adds a cliff: at 51% or more responsibility you recover nothing at all. That makes the fault percentage the central fight in any Hawaii claim where liability is genuinely shared, because a few points either side of the line is the difference between a partial recovery and zero.
Can I sue for pain and suffering after a concussion / mild tbi in Hawaii?
Hawaii is a no-fault state, so your own personal injury protection coverage pays first regardless of who caused the crash. To claim pain and suffering from the at-fault driver you have to meet Hawaii's injury threshold — which means the medical documentation of permanence or serious impairment matters as much to your concussion / mild tbi claim as the injury itself. Below the threshold, PIP is effectively your only recovery for injury; above it, Hawaii applies modified comparative negligence with a 51% bar to whatever pain-and-suffering claim you pursue against the at-fault driver.
Is the minimum insurance in Hawaii enough to cover a concussion / mild tbi?
Hawaii's minimum bodily injury liability is $20K / $40K. A concussion / mild tbi claim in the typical range of $22,500 to $150,000 can exhaust that coverage outright, which is why your own underinsured motorist coverage is often what determines whether a serious concussion / mild tbi is fully paid.
What will the insurance company argue about my concussion / mild tbi claim?
Standard CT and MRI are not designed to detect the diffuse axonal injury underlying most concussions. A normal scan is the expected result. Adjusters use it anyway, and the counter is neuropsychological testing, which measures function rather than structure. In Hawaii that argument lands inside a modified comparative (51% bar) system, so how much it costs you depends on the fault percentage the adjuster can support.
How long does a concussion / mild tbi claim take to settle in Hawaii?
Concussion claims typically take 8 to 18 months, longer than the injury itself, because value cannot be assessed until it is clear whether symptoms will resolve. Post-concussion syndrome claims routinely run two years or more. Hawaii's 2-year filing deadline sets the outer limit on negotiation — once it passes, the claim is over, so a case that is still being negotiated as the deadline approaches usually has to be filed to preserve it.
Do I need a Hawaii lawyer for a concussion / mild tbi claim?
At the values a concussion / mild tbi claim reaches in Hawaii — commonly $22,500 to $150,000 — most claimants net more with representation even after the contingency fee, because these claims involve permanence arguments, lien negotiation, and often more insurance than one policy.
What if the driver who hurt me in Hawaii only had minimum insurance?
Hawaii's minimum is $20K per injured person, and a concussion / mild tbi claim in the typical range reaches about $150,000 — so a minimum policy runs out before the claim does. What happens next depends on layers the at-fault driver does not control: your own underinsured motorist coverage, a commercial or employer policy if they were working, and occasionally a second at-fault party. A claim that appears capped at $20K is often not, and finding that out is work done in the first weeks, not at settlement.
How much of a concussion / mild tbi settlement do I actually keep in Hawaii?
On a $150,000 settlement — the top of the typical Hawaii range for this injury — a one-third contingency fee, roughly 4% in case expenses and around 15% in medical liens leave about $71,500. The fee is fixed by the agreement you sign; the lien figure is not. Negotiating providers, a health plan or a Medicare conditional payment down is the one line on that list that moves, and every dollar it moves reaches you in full.
How long does a concussion / mild tbi claim take in Hawaii, and can it outlast the deadline?
A concussion / mild tbi claim usually takes 9 to 18 months, because it cannot be valued until treatment plateaus and a doctor will say so in writing. Hawaii allows 24 months to file suit. That leaves margin at the long end, but the clock starts at the crash rather than at diagnosis, and shorter notice deadlines apply if a government vehicle or a public property defect was involved.
Is the average concussion / mild tbi payout in Hawaii what I should expect?
An average describes a population, not your file. The $22,500 to $150,000 band covers HI claims that differ in the three ways that decide a payout: how much treatment the records actually document, whether liability is contested, and how much insurance stands behind the person at fault. A claim at the bottom of that band and one at the top are usually the same injury with different paperwork. The useful thing to do with an average is work out which end of it your own file currently supports, and what would move it.
What a $150K HI concussion / mild tbi settlement actually pays you
Gross settlement figures are not take-home figures. Running the standard deductions against the top of the typical Hawaii range for a concussion / mild tbi shows the gap, and shows where the recoverable money is — which is almost never the fee.
| Gross settlement | $150,000 | Top of the typical concussion / mild tbi range in Hawaii. A severe or surgical case runs well above this. |
|---|---|---|
| Attorney fee (33%) | − $50,000 | One third is the common pre-suit rate; it usually rises to 40% once a lawsuit is filed. Ask which trigger the agreement uses before signing it. |
| Case expenses | − $6,000 | Records, filing fees, expert reports. Normally deducted on top of the fee rather than out of it — confirm which, because on a $150K claim the difference is real money. |
| Medical liens and subrogation | − $22,500 | Hawaii's no-fault PIP pays bills up front, and the PIP carrier is then reimbursed from the settlement along with any health plan or provider lien. |
| Reaches you | $71,500 | About 48% of the gross — before any lien reduction, which is where this number usually improves. |
Illustrative only, at a one-third pre-suit contingency, case expenses of about 4%, and medical liens of about 15% of the recovery. Every one of those varies. The lien line is the one worth attention: providers, health plans and Medicare frequently accept substantial reductions, and every dollar cut from $22,500 reaches you in full — no further negotiation with the insurer required.
More for Hawaii claimants
Concussion / Mild TBI settlements in other states
What causes Concussion / Mild TBI claims in Hawaii
Ranges reflect published settlement and verdict data adjusted for Hawaii's legal climate; they are educational estimates only — not legal advice or a valuation of any specific claim. InjurySage is not a law firm. Laws summarized here can and do change; verify every deadline with a licensed Hawaii attorney before relying on it. Page updated August 2026.