Herniated disc L4-L5 accident attorney

L4-L5 is the second most commonly herniated level in the lumbar spine and, in some respects, the more consequential one. A herniation here typically affects the L5 nerve root, which supplies the muscles that lift the front of the foot — so weakness at this level can produce foot drop, a visible and objectively demonstrable deficit. Law Offices Of SRIS, P.C. handles spinal injury claims in Virginia, Maryland, the District of Columbia, New Jersey and New York.

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What the imaging and records show

MRI shows the herniation and its position — central, paracentral or foraminal — which determines which nerve root is affected. The L5 clinical pattern is distinctive: pain radiating down the outer thigh and calf onto the top of the foot and the great toe, weakness of dorsiflexion and of great toe extension, and sensory change over the top of the foot. Notably the reflexes are typically preserved at this level, so their normality is not evidence against the diagnosis.

Why this injury meets the legal threshold

A confirmed herniation with matching L5 findings is objective injury. Weakness of great toe extension and of ankle dorsiflexion is measured on examination rather than reported, and where foot drop is present it is directly observable in gait. Electrodiagnostic confirmation adds further objective support.

Typical treatment course and prognosis

Conservative management first, with therapy, medication and activity modification, then targeted epidural steroid injection. Microdiscectomy is the usual surgical option where symptoms persist. Progressive motor weakness — particularly a developing foot drop — moves surgery from elective to urgent, because prolonged compression reduces the prospect of recovery. Where instability is present, fusion may be considered.

How insurance carriers attack this diagnosis

That degenerative change explains it. That reflexes are normal, so there is no nerve involvement — an argument that misunderstands this level, since L5 root compression typically leaves reflexes intact. That the weakness is effort-dependent. That vehicle damage was minor. The counter is the specificity of the L5 pattern, objective strength measurement, and where foot drop exists, documented gait.

Proving the accident caused it

Establish the pre-collision baseline and the mechanism. Ensure the examination documented great toe extension strength and ankle dorsiflexion specifically, because these are the findings that localise to L5 and they are frequently omitted from a general examination. Where weakness is present, ensure it was measured and repeated over time. Obtain electrodiagnostic testing where the picture is contested, and a treating causation opinion.

Available insurance coverage

What can be recovered is limited by what coverage exists. The at-fault party’s policy is the starting point, but it is frequently not the only source: the injured person’s own uninsured and underinsured motorist coverage, household policies, employer coverage where a vehicle was used for work, umbrella and excess layers, and the coverage of any additional responsible party can all apply. Underinsured coverage typically requires notice and consent before any settlement with the at-fault party — settling first can forfeit it. Identifying every available layer is early work, not closing work.

How damages are categorised and proven

Damages are not a single number that gets negotiated. They are separate categories, each proven by different evidence. Past medical expense is proven by billing records and the reasonableness of the charges. Future medical expense requires a physician’s opinion that the care is reasonably certain to be needed. Lost income is proven by employment and tax records; lost earning capacity is a different and larger question requiring vocational and economic analysis. Non-economic loss — pain, limitation, and the effect on daily life — is proven through the medical record and through testimony from people who can describe specific changes rather than general decline. No one can responsibly tell you what a case is worth before that evidence exists, and any figure offered at the outset is a guess.

Filing deadlines

Every injury claim is governed by a statute of limitations, and the periods differ by state and by claim type. For personal injury actions the period is two years in Virginia under Va. Code § 8.01-243(A), accruing at the date of injury; three years in Maryland under Md. Code, Cts. & Jud. Proc. § 5-101; three years in the District of Columbia under D.C. Code § 12-301(8); two years in New Jersey under N.J.S.A. 2A:14-2; and three years in New York under N.Y. C.P.L.R. § 214(5). These are general periods. Discovery rules, tolling for minors and incapacity, claims against government entities — the District imposes a six-month notice-of-claim requirement for claims against the District government — and claim-specific statutes can shorten or extend them. Do not rely on a general period for your own case; have the deadline confirmed on your facts.

Frequently Asked Questions

What symptoms indicate L5 nerve involvement?

Pain radiating down the outer thigh and calf onto the top of the foot and the great toe, weakness lifting the foot or the great toe upward, and altered sensation over the top of the foot. Reflexes are usually normal at this level, which is a feature of L5 involvement rather than evidence against it.

My reflexes were normal. Does that mean the nerve is fine?

Not at this level. The ankle reflex tests S1 and the knee reflex tests L4; L5 has no readily testable reflex. Normal reflexes with an L4-L5 herniation are expected. If this is being used against your claim, it reflects a misunderstanding of the anatomy rather than a genuine inconsistency.

Can this cause foot drop?

Yes. The L5 root supplies the muscles that lift the front of the foot, so compression can cause weakness or complete foot drop. That is a visible, objectively demonstrable deficit. Progressive weakness of this kind generally moves surgery from elective to urgent, because prolonged compression reduces recovery.

What should the doctor be testing?

Great toe extension strength and ankle dorsiflexion strength specifically, graded and compared between sides, along with sensation over the top of the foot. These are the findings that localise to L5 and they are frequently omitted from a general back examination. It is worth asking that they be documented.

Is surgery urgent if I have weakness?

Progressive motor weakness is treated differently from pain alone. Where a foot drop is developing, surgical decompression is generally considered more urgently, because the longer the root is compressed the less likely full recovery becomes. That is a clinical judgment for your surgeon, but it should be raised promptly.

Will the weakness recover after surgery?

It frequently improves, and the prospect is better where decompression happens before the weakness has been present for a long period. Some deficit can persist. Objective strength measurement after recovery has plateaued is what documents any permanent loss, and it should be obtained before the claim resolves.

Why is this level herniated so often?

Because L4-L5 is a highly mobile segment bearing substantial load, sitting just above the relatively fixed L5-S1 junction. That combination of mobility and load makes it, with L5-S1, one of the two most commonly affected levels in the lumbar spine.

How long do I have to bring a claim?

Two years in Virginia and New Jersey, three years in Maryland, the District of Columbia and New York for personal injury actions, subject to tolling and discovery rules and to shorter notice requirements where a government entity is involved. Confirm the deadline on your own facts.

About Mr. Sris

Mr. Sris is the owner and founder of Law Offices Of SRIS, P.C., which has practiced since 1997. He is a former prosecutor and is admitted in Virginia, Maryland, the District of Columbia, New Jersey and New York. Of Counsel attorneys contract directly with the firm and handle matters alongside him. In 2019 Mr. Sris testified before the Virginia House Courts of Justice Committee on House Bill 635.

Speak with Mr. Sris

Injury claims are governed by filing deadlines that vary by state and by claim type, and evidence degrades quickly. Request a consultation. Reach our location at (888) 437-7747. Consultations are by appointment.

Last reviewed: August 22, 2026.

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