Handling a Personal Injury Claim Without a Lawyer: A Practical Guide

Summary. Not every injury claim needs a lawyer, and not every claim can be handled without one. This guide draws that line honestly, then walks through the whole self-handled claim: the first week, opening and documenting a claim with each insurer, obtaining and reading your own medical records, building a demand package an adjuster can actually approve, negotiating, and closing safely with a release you understand. It names the traps that cost self-represented claimants the most money — recorded statements, early releases, treatment gaps, unresolved liens, and missed deadlines — and supplies scripts and templates. It closes with the warning signs that mean you should stop and hire counsel today.

There is a persistent myth that hiring a lawyer always nets you more money. There is an equally persistent myth that adjusters are pushovers if you just sound confident. Both are wrong often enough to be dangerous.

Here is the honest version. On a small, clean claim — clear liability, a few thousand dollars in medical bills, complete recovery, no lost wages, no liens beyond a health insurer that will accept a reasonable reduction — a contingency fee of one-third takes a large bite out of a small number, and a careful claimant who does the work can end up ahead. On a serious claim — surgery, permanent restriction, disputed liability, a commercial defendant, multiple coverage layers, a self-funded health plan asserting full reimbursement — self-representation costs far more than a fee.

This guide is written for the first situation, with an unusually detailed map of when you are actually in the second.

Step 1: Decide, honestly, whether this is a claim you should handle

Reasonable to handle yourself when all of these are true:

Liability is clear and undisputed — you were rear-ended, or the other driver was cited and does not contest it.
Your injuries resolved, or are clearly on track to resolve, within a few months.
Total medical bills are modest and the treatment was conventional.
No surgery, no injections, no permanent restriction, no scarring.
Little or no lost income, or income loss that is easy to document.
One health insurer, and it is not a self-funded ERISA plan asserting full reimbursement.
No Medicare or Medicaid involvement.
You are comfortable writing a business letter and keeping a file.

Stop and consult a lawyer immediately when any of these are true:

Anyone died, or suffered a brain injury, spinal injury, fracture requiring hardware, burn, amputation, or permanent scarring.
Surgery has been recommended or performed.
Liability is disputed, or you were partly at fault, especially in Alabama, Maryland, North Carolina, Virginia, or the District of Columbia, where any fault of yours can bar recovery entirely.
A commercial vehicle, government vehicle, rideshare, or employer is involved.
The other driver was uninsured, or the injuries exceed the available limits.
You are on Medicare or Medicaid, or your health plan is self-funded.
The injury happened at work, or a workers' compensation carrier has paid anything.
Any statute of limitations or governmental notice deadline is within six months.
The adjuster has denied the claim or attributed significant fault to you.
A child or an incapacitated person is the claimant. In nearly every state, settling a minor's claim requires court approval.

There is no shame in the second list. Most of it is not about skill; it is about the fact that the money at stake is large enough that a percentage of a better result exceeds the whole of a worse one.

Step 2: The first week

Get medical attention, and describe everything. Tell the treating provider about every symptom, including the ones that seem minor. A record that says "neck pain" on day one and never mentions the shoulder makes a shoulder claim four weeks later look manufactured — even when it is not, because delayed-onset symptoms are real and common.

Photograph everything, immediately. Both vehicles from every angle, the scene, the traffic controls, the sight lines, the skid marks, your visible injuries, and your injuries again as bruising develops over the following week. Photographs age; memories evaporate.

Get the police report number and order the report as soon as it is available, usually within three to ten days.

Write your own narrative on day one. Where you were going, the light sequence, your speed, what you saw, what the other driver said, who was present. You will not remember these details in eight months, and adjusters ask about them in month nine.

Identify witnesses. Names and phone numbers. Independent witnesses win liability disputes; passengers in your own car do not carry the same weight.

Notify your own insurer promptly. Your policy requires it, and cooperation with your own carrier is a contractual obligation. Notify them even if the other driver is at fault — you may need your MedPay, PIP, or UM/UIM coverage.

Send a preservation letter if a vehicle carries data or is likely to be repaired. A short letter to the other driver's insurer asking them to preserve the vehicle, the event data recorder download, and any dashcam or telematics data is cheap, and its absence is irreversible.

Step 3: Understand every policy in play

Before you talk numbers with anyone, build a one-page coverage map.

Coverage	Whose policy	What it pays	Notes
Bodily injury liability	At-fault driver's	Your injuries, up to limits	Ask for the declarations page or a limits disclosure
Property damage liability	At-fault driver's	Vehicle repair or total loss	Separate adjuster, separate file
Collision	Yours	Vehicle damage, minus deductible	Deductible is usually recovered later through subrogation
Medical payments (MedPay)	Yours	Medical bills regardless of fault	Often $1,000-$10,000; frequently forgotten
Personal injury protection (PIP)	Yours, in no-fault states	Medical and often wage loss	Comes with a tort threshold that limits pain-and-suffering claims
Uninsured motorist (UM)	Yours	Injuries when the other driver has no coverage	Phantom-vehicle claims usually need corroboration
Underinsured motorist (UIM)	Yours	Injuries above the other driver's limits	Ask whether your state offsets or stacks — it changes everything
Umbrella	Either	Excess above the primary policy	Ask directly; it is never volunteered
Health insurance	Yours	Treatment	Will likely assert reimbursement from any settlement

Two questions to ask your own agent, in writing, and keep the answer: "What are my MedPay, PIP, UM, and UIM limits?" and "Do I have an umbrella policy, and does it include uninsured motorist coverage?"

Most states require a liability insurer to disclose its insured's limits on request from a claimant, sometimes only after a specified showing. Ask; if refused, ask what statute governs.

Step 4: Dealing with the adjuster

You will speak with at least two and often four adjusters: the other driver's property damage adjuster, the other driver's bodily injury adjuster, your own property damage adjuster, and your own MedPay or PIP adjuster. They have different files, different authority, and often no idea what the others are doing.

Things to do:

Keep a call log: date, time, name, direct number, claim number, and what was said. Adjusters change; your file should not depend on their memory.
Follow every substantive call with a short confirming email. "As we discussed today, you confirmed the bodily injury limits are $50,000 per person and that you will send the medical authorization by Friday."
Answer factual questions about how the crash happened.
Send documents, not summaries, once you are ready to send anything.

Things not to do:

Do not give a recorded statement to the other driver's insurer. You are not required to. It is used to lock in an incomplete injury description before your symptoms have declared themselves, and to generate quotations that can be replayed against you. A polite decline: "I'm not going to give a recorded statement, but I'm happy to answer questions in writing." Your own insurer is different — the policy typically requires your cooperation.
Do not sign a blanket medical authorization. The other insurer will send one that authorizes access to your entire lifetime medical history. You control what they get. Offer instead to provide the records for the treatment at issue when treatment is complete.
Do not accept a quick settlement offer before you know your prognosis. The offer arrives early precisely because it is cheapest then.
Do not guess. "I don't know" and "I'll get back to you" are complete answers.
Do not discuss the accident or your activities on social media. Set your accounts private and stop posting about your health, travel, and recreation until the claim closes.

On the property damage side, three things claimants routinely leave on the table:

Rental or loss-of-use reimbursement for the entire period the vehicle is out of service, not just the repair days.
Diminished value — the reduction in your vehicle's market value from having a recorded accident history. It is recoverable in many states from the at-fault carrier and is worth real money on a newer vehicle. Support it with an appraisal.
Total loss valuation disputes. The carrier's valuation report is a starting point. Comparable local listings, documented options, and recent maintenance are the counterargument.

Property damage settles separately from injury. Confirm in writing that the property damage release does not release bodily injury claims before you sign it. This is the single most common irreversible mistake self-represented claimants make.

Step 5: Treat, document, and reach maximum medical improvement

Maximum medical improvement — MMI — is the point at which your condition has stabilized and your doctor can say whether anything permanent remains. Do not settle before MMI. A settlement is final; if you settle and then need surgery, there is no second claim.

Keep the treatment consistent. A three-week gap in physical therapy is read as recovery, whatever the reason. If you must interrupt treatment for money, childcare, or work, tell the provider and make sure it is in the chart.

Follow through on referrals. "Patient declined recommended imaging" is a sentence the defense will read aloud.

Track everything in one place:

Every provider: name, address, dates of service, and what they treated.
Every bill: total charge, insurance adjustment, insurance payment, and your balance.
Mileage to appointments, prescription costs, braces, over-the-counter items, and paid help you needed for tasks you could not do.
Missed work: dates, hours, and pay rate, confirmed by a letter from your employer on letterhead.
A symptom journal — brief, dated, honest entries about pain levels and specific things you could not do. Three lines a week, kept contemporaneously, is far more persuasive than a reconstruction written the week before mediation.

Step 6: Get your records and bills

Request records directly from each provider, not through the insurer. Under the HIPAA right of access, providers must furnish records to the patient, generally within thirty days, at a reasonable cost-based fee. Ask specifically for:

Complete office notes and chart, including intake forms.
All imaging reports, and the imaging itself on disc if a fusion, tear, or fracture is at issue.
The itemized billing statement with CPT codes — not a summary balance.
Any narrative report or work restriction.

Read them. Providers make transcription errors constantly, and the two that matter most are (1) the mechanism of injury described wrongly and (2) a history of prior identical complaints that you did not have. Both are correctable through the provider's amendment process, and both are devastating if they surface for the first time at a deposition.

Understand billed versus paid. Your provider billed $4,800; your insurer's contract rate was $1,900; your insurer paid $1,520 and you owe $380. Which number is your "medical damages" depends on your state's rule, and it is one of the most litigated questions in injury law. When you present damages, present both, clearly, and be prepared to argue for the higher one where the law allows it.

Step 7: Build the demand package

An adjuster with authority to pay your claim needs to justify the payment to a supervisor. Make that easy.

The package:

Cover letter — one to three pages, described below.
Liability evidence — police report, photographs, witness statements, citation disposition.
Medical chronology — a table: date, provider, complaint, findings, treatment. One page.
Medical records and itemized bills, organized by provider, tabbed and paginated.
Wage loss documentation — employer letter on letterhead stating dates missed, hours, rate, and amount lost.
Out-of-pocket expense list with receipts.
Photographs of injuries and, if relevant, of the plaintiff before and after in ordinary life.
Two or three short statements from family or coworkers describing specific changes. Specific: "He used to coach our daughter's team and he sat on the bench all spring."

The cover letter structure:

Paragraph 1 — the demand. Claim number, date of loss, and a clear statement that this is a settlement demand for a stated amount, open for a stated period.

Paragraph 2 — liability. Three to five sentences. What happened, why your insured is at fault, and the evidence attached. If there was a citation, say so.

Paragraph 3 to 5 — injuries and treatment. In plain chronological order. Diagnosis, treatment, duration, and current status. Quote the treating physician's own words about permanency if there are any.

Paragraph 6 — economic damages. A table. Medical charges, insurance adjustments, amounts paid, outstanding balances, wage loss, out-of-pocket.

Paragraph 7 — the human impact. Concrete and specific. Not "I have suffered greatly," but "I could not lift my son for eleven weeks."

Paragraph 8 — the number and the deadline. State the demand and give thirty days.

How to set the number. Your demand should be defensible but higher than your target, because negotiation moves in one direction. Build it from the components: economic damages plus a supportable amount for pain, suffering, and disruption. Ignore online "multiply your bills by three" advice; adjusters use structured evaluation software that scores diagnosis codes, treatment duration, provider type, and venue, and a demand that is not tethered to documented injury simply signals inexperience. If you are asking for $30,000 on $4,000 of soft-tissue treatment, you will be treated as unserious.

Step 8: Negotiate

The first counteroffer will be low. That is not an insult; it is the opening of a script.

How the dance normally runs: demand $28,000 → offer $4,500 → counter $22,000 → offer $8,000 → counter $17,500 → offer $11,000 → settle around $13,000-$14,000.

Rules that actually help:

Concede in shrinking increments. Large repeated concessions teach the adjuster to keep waiting.
Attach a reason to every move. "I'm coming down $4,500 because I accept your point that two of the therapy visits were for the pre-existing shoulder."
Ask what is driving their number. Often it is one specific thing — a two-week treatment gap, a prior claim, an unclear causation note. You may be able to fix it with one document.
Never say a number you would not accept. If you counter at $17,500, you have accepted $17,500.
Get authority. "Is that the limit of your authority, or can your supervisor review it?" is a legitimate and often productive question.
Confirm the settlement in writing before you sign anything, including who is responsible for liens and what the release covers.

Understand the leverage you actually have. As a self-represented claimant your leverage is: the strength of the documentation, the approaching statute of limitations, the possibility that you will file suit or hire counsel, and — in a serious case — the insurer's exposure above policy limits. Bluffing about filing suit you will not file is a poor strategy against someone who does this all day.

Step 9: Resolve the liens before you sign

Do not sign a release until you know what you owe out of the settlement. In order:

Health insurer. Ask in writing whether the plan asserts subrogation or reimbursement, and request a copy of the plan language and an itemized statement of what it paid on accident-related claims. A self-funded ERISA plan is the strongest claimant; state-regulated plans are often subject to make-whole and common-fund limits that reduce the claim substantially.
MedPay or PIP carrier. Many policies allow reimbursement from a third-party recovery; many state statutes prohibit or limit it.
Hospital liens. Check the county records; hospital lien statutes are perfected by filing, and the lien attaches to your recovery.
Providers with unpaid balances. These are almost always negotiable, especially if the alternative is a long collections process against a person with no assets.
Medicare or Medicaid. If either paid anything, stop and get help. The federal reimbursement scheme under 42 U.S.C. § 1395y(b) has real teeth, including a double-damages action, and the Medicaid rules following Arkansas Department of Health & Human Services v. Ahlborn, 547 U.S. 268 (2006) and Gallardo v. Marstiller, 596 U.S. 347 (2022) are technical enough that a mistake costs more than a lawyer would have.

How to ask for a reduction. In writing, briefly: state the gross settlement, the limits of available insurance, your out-of-pocket costs, your remaining medical needs, and a specific proposed figure. Reference the common-fund principle — that the party benefiting from the recovery should bear a share of the cost of obtaining it — even if you obtained it yourself. Reductions of thirty to fifty percent are common when asked for properly and almost never offered when not asked for at all.

Step 10: Read the release before you sign it

A release is a contract, and it is the last document you will ever be able to influence.

Check for:

Scope. Does it release only the bodily injury claim, or also property damage, UM/UIM, and future claims?
Parties released. A release of "all persons, firms and corporations" can inadvertently release an employer, a rideshare platform, a manufacturer, or your own UIM carrier. Limit it to the named parties.
Lien responsibility and indemnity. Most releases make you responsible for all liens and require you to indemnify the insurer. Know what you are agreeing to. Never sign an indemnity for a lien you have not identified.
Confidentiality and non-disparagement, which may be negotiable and occasionally has tax consequences.
The amount and the payee, and how quickly payment must issue. Twenty to thirty days is standard.
Whether the release affects a minor's claim. In nearly every state, a minor's settlement requires court approval, and a release signed by a parent without it may be void.

On taxes: compensation for personal physical injuries and physical sickness is generally excluded from gross income under 26 U.S.C. § 104(a)(2). Interest, punitive damages, and amounts for emotional distress not arising from physical injury are generally taxable, and previously deducted medical expenses can be recaptured. If the settlement is large or the allocation is unusual, get tax advice before signing, not after.

Step 11: If you cannot settle

Small claims court handles claims below a jurisdictional cap that varies widely by state — commonly $5,000 to $15,000, and higher in a few. Filing fees are modest, procedures are simplified, and attorneys are sometimes barred or discouraged. It is a genuinely good venue for a modest, well-documented claim against a driver whose insurer will not pay reasonably; the insurer will typically appear and defend. See Small Claims Court: Suing and Defending Without a Lawyer.

Regular civil court is a different world: pleading standards, discovery, expert disclosure, and motion practice. Filing a personal injury case in general jurisdiction court without counsel is possible and occasionally successful, but medical causation ordinarily requires expert testimony, and expert testimony ordinarily requires a lawyer to disclose and qualify. See Representing Yourself in a Civil Case.

Watch the deadline above everything. Personal injury limitations periods run from one to six years by state, and claims against public entities carry notice requirements measured in months or even weeks. The deadline is jurisdictional in effect: miss it and the claim is over, regardless of merit. See Statutes of Limitations, Accrual, and Tolling.

Step 12: Hiring a lawyer partway through

You can hire counsel at any point, and a lawyer's willingness to take the case is itself a useful valuation signal. Understand three things before you do:

What the fee actually is. One-third of the gross recovery is typical before suit, rising to 40% after filing. Ask specifically: is the fee calculated before or after case costs are deducted? On a $60,000 settlement with $8,000 in costs, that ordering is worth $2,667.

What you have already done to the file. A recorded statement, a signed blanket authorization, a partial release, or an admission of fault will follow the case. Disclose all of it at the first meeting.

What the lawyer will actually add. On a soft-tissue claim already at a reasonable offer, sometimes not enough to cover the fee — and an honest lawyer will tell you so. On a case with disputed liability, a serious injury, coverage layers, or lien complexity, the difference is usually a multiple, not a margin.

For selecting counsel, see Types of Lawyers: A Field Guide to Legal Specialties.

A worked example

The claim. Dan is rear-ended at low speed. The other driver is cited. Dan goes to urgent care that evening with neck and upper back pain, follows up with his primary physician three days later, and completes eighteen physical therapy visits over ten weeks. He is discharged at full function. Billed charges: $6,340. His health plan (a state-regulated HMO) paid $2,810; his responsibility after copays is $640. He misses four days of work at $210 per day, unpaid.

What Dan does. He photographs both cars and the intersection, orders the report, declines a recorded statement, opens claims with both insurers, and uses his $5,000 MedPay to cover his copays and deductible. He keeps a two-line-per-week symptom journal. At discharge he requests full records and itemized bills from all three providers, discovers the urgent care note misstates the mechanism as "fell at home," and has it amended.

The demand. Twelve pages plus tabs. Economic damages: $6,340 billed / $3,450 paid or owed, plus $840 wage loss, plus $180 in mileage and over-the-counter costs. He demands $19,500 with a thirty-day deadline.

The negotiation. Offer $3,200. Dan counters $16,000, attaching the corrected urgent care note and the employer letter. Offer $6,000. Dan counters $12,750, conceding that two visits were for an unrelated complaint. Offer $8,500. Dan counters $10,900 and says it is his last number. They settle at $9,750.

The cleanup. Dan writes to his HMO, which asserts $2,810. He cites the state's make-whole rule and the common-fund principle, notes the modest recovery, and proposes $1,400. The plan accepts $1,685. His MedPay carrier is entitled to reimbursement under the policy and accepts a pro rata reduction to $1,900 of the $2,400 it paid. Provider balances are covered.

Net to Dan: $6,165, plus he keeps the MedPay benefit that covered his out-of-pocket costs along the way. A lawyer at one-third would have needed to obtain roughly $14,600 to leave him equally well off. On this file, that was unlikely.

The counterfactual. Change one fact — the MRI shows a herniation and the surgeon recommends a fusion — and every number in this example becomes wrong, the lien picture becomes complex, and the case belongs with counsel.

Frequently asked questions

"The adjuster says I have to give a recorded statement or they'll close the file." They can close the file; that does not extinguish your claim, which is governed by the statute of limitations, not by their file status. Respond in writing that you will answer questions in writing and are proceeding with the claim.

"Should I use my own insurance or wait for the other driver's?" Use your own collision and MedPay. It is faster, and your insurer will pursue subrogation and recover your deductible. Using your own coverage for a not-at-fault loss should not raise your rates, though you should confirm.

"They offered me money before I finished treatment. Can I take it and ask for more later?" No. A release ends the claim. There is a narrow exception if the insurer offers a partial payment expressly as an advance without release — get that in writing.

"How long does this take?" A modest claim resolves in three to eight months after treatment ends. A serious claim takes one to three years, and if it is filed, longer.

"What if the at-fault driver has no insurance and no money?" Then your UM coverage is the claim, and it is a claim against your own insurer under your own policy — which means you owe them cooperation, and they owe you good faith. Some policies require notice and consent before you settle with anyone.

"Do I really have to disclose my prior injuries?" Yes, and voluntarily. Prior claims surface through index bureau searches in nearly every case. A prior injury disclosed up front is context; a prior injury discovered later is credibility damage that costs more than the injury itself.

Special situations worth knowing about

You were a passenger. Passengers are almost never at fault, which makes liability simple and coverage complicated. You may have claims against both drivers, and you may be an insured under the policy of the car you were riding in for MedPay or PIP purposes. If both drivers share fault and the total injuries exceed the combined limits, the claims compete. Passengers in a friend's or family member's car are often reluctant to make a claim; understand that the claim is against an insurance policy that was purchased for exactly this, and that the friend's rates are affected by the accident, not by your claim.

The claim is against your own insurer (UM/UIM). This flips the relationship. You now owe your insurer the cooperation the policy requires — recorded statement included, in most policies, plus an examination under oath and a medical examination if requested. But the insurer now owes you the duty of good faith it owes any insured, and in most states that duty is enforceable with extracontractual remedies. Two policy conditions catch people: many UIM policies require written consent before you settle with the at-fault driver, and settling without it can forfeit the UIM claim entirely; and many require exhaustion of the liability limits first. Read the policy before you accept anything.

Multiple claimants, one policy. When four people are hurt and the per-accident limit is $50,000, the carrier will often interplead the funds or propose a global settlement. First-to-settle is a real dynamic, and it puts unrepresented claimants at a disadvantage. This is a situation where counsel usually pays for itself.

A child is injured. Nearly every state requires court approval of a minor's settlement, often with a guardian ad litem appointed and the funds placed in a blocked account or structured annuity until majority. A parent's signature on a release, standing alone, does not bind the child in most states. The limitations period is also usually tolled during minority — meaning a child's claim may remain viable for years after an adult's would have expired.

The other driver is uninsured and unidentified. A hit-and-run is a UM claim, but nearly all policies impose a prompt reporting requirement (often within twenty-four hours to police) and a corroboration requirement for phantom-vehicle claims where there is no physical contact. Both requirements are enforced.

You were partly at fault. Say so, once, accurately, and then let the evidence do the work. Overstating your own care is a credibility problem; understating the other driver's fault is a valuation problem. In a modified comparative state the difference between 49% and 51% is the entire case, which is why liability facts — the independent witness, the timing study, the physical evidence — are worth more attention than most claimants give them.

Building a claim file that runs itself

The single largest difference between claimants who do well and claimants who do poorly is not legal knowledge. It is organization.

Set up six folders on day one — physical or digital, it does not matter:

Accident — report, photographs, witness information, your narrative, correspondence about liability.
Insurance — declarations pages for every policy, claim numbers, adjuster contacts, all correspondence.
Medical — records and bills by provider, in date order, with an index page.
Money — wage documentation, receipts, mileage log, out-of-pocket list.
Journal — the dated symptom and limitation entries.
Negotiation — the demand package, every offer and counter with dates, and the final agreement.

Keep one running summary page at the front: date of loss, claim numbers, adjuster names and numbers, limits, treatment status, total billed / paid / owed, wage loss to date, statute of limitations date in bold, and next action with a date. Update it weekly. When you eventually talk to a lawyer, this page will do more for the conversation than an hour of narrative.

Calendar three dates immediately: the statute of limitations, any governmental notice deadline, and any policy deadline for UM/UIM notice or proof of loss. Set reminders at six months, ninety days, and thirty days before each. The number of otherwise good claims that die on a calendar is not small.

What good documentation actually looks like

Two versions of the same fact, from real files:

Weak: "I've been in a lot of pain and it's affected my life."

Strong: "Before the crash I ran three miles four mornings a week and had done so for six years; my last run was the morning of the collision. I have not run since. I returned to walking in week nine and can now walk about a mile before the pain in my neck and right shoulder becomes distracting. I stopped carrying my two-year-old on my right side in month one and have not resumed."

Weak: "I missed a lot of work."

Strong: An employer letter on letterhead: "Ms. Reyes was absent March 4, 5, 8, 11, 18, and 25 and worked reduced hours (four hours per day) from March 29 through April 16. Her rate is $31.40 per hour. Total lost wages: $2,637.60. She had no available paid leave for these absences."

Weak: A stack of unorganized bills.

Strong: A one-page table — provider, dates of service, billed, insurance adjustment, insurance paid, patient responsibility, outstanding — that totals correctly and matches the attached itemized statements.

The adjuster is reading dozens of files a week. The one that is easy to evaluate, internally consistent, and free of gaps gets valued at the top of its range. The one that requires work gets valued at the bottom, or gets set aside.

How adjusters actually value a claim

It helps enormously to understand that the person on the other end of the phone is not improvising. Most carriers evaluate bodily injury claims through structured software that scores a set of inputs and produces a range, and the adjuster negotiates within authority granted against that range.

The inputs that move the number up:

Diagnosis codes that indicate objective injury — a fracture, a documented tear, a positive nerve conduction study, a herniation with corresponding radicular findings. Objective beats subjective by a wide margin.
Treatment by physicians rather than by a single chiropractic or therapy provider. Fair or not, files with an MD or DO directing care score higher.
Duration and density of treatment, up to a point. Consistent care over ten weeks scores better than sporadic care over ten months.
Documented work loss, verified by an employer.
Permanency language in the medical record — a stated impairment rating, a permanent restriction, or a physician's note that symptoms are expected to persist.
Venue. Jury verdict history in the county where suit would be filed is a direct multiplier.
Clear liability, especially a citation or an independent witness.

The inputs that move the number down:

Gaps in treatment longer than three or four weeks.
Delay between the collision and the first medical visit.
Low property damage. Carriers correlate repair cost with injury severity, and a $900 bumper repair generates a "minor impact soft tissue" designation that is hard to shake. It is not a legally sound inference — occupant injury depends on posture, headrest position, and the occupant's own physiology far more than on sheet metal — but it is a real feature of the evaluation, and it is met with medical documentation and, in serious cases, biomechanical testimony.
Prior claims or prior treatment to the same body part.
Inconsistencies between what the claimant says, what the records say, and what social media shows.
Unrepresented claimants, in some carriers' models. This is uncomfortable but true, and it is the single strongest argument for either being extremely well organized or hiring counsel.

What this means for you. You cannot change the venue or your diagnosis. You can change whether your file has gaps, whether your bills are legible, whether your wage loss is verified, whether your physician's note says what your physician actually believes about permanency, and whether your version of events matches the documents. Those are the variables in your control, and they are worth thousands of dollars.

One more thing worth knowing. Adjusters have limited authority — often $5,000, $10,000, or $25,000 depending on seniority — and moving above it requires a supervisor or a committee. When an adjuster stops moving abruptly, it is frequently an authority ceiling rather than a valuation judgment. Asking directly, and giving them the one document that would justify a request for more authority, is often more productive than another round of numbers.