How Much Does Lumbar MRI Cost?

Updated on August 30, 2026 | Written by Alec Pow
This article was researched using 14 sources. See our methodology and corrections policy.

A lumbar MRI without contrast in 2026 can cost roughly $300 to $2,200 when paying cash, depending heavily on where the scan is performed. Current prepaid outpatient offers run from $293 to $785 in Tennessee, with a $566 regional average, through MDsave’s current MRI listings. Hospital transparency data analyzed by MedRates for CPT 72148 show a $1,762 median hospital cash price across 2,610 hospitals. Compared as market benchmarks rather than matched facilities, the $1,196 gap means the prepaid regional average is about 67.9% below the hospital median.

Contrast can push the billed price higher. Turquoise Health currently reports an average cash price of $2,166 for a lumbar MRI without contrast and $3,156 for a lumbar MRI performed without and with contrast. The difference is $990, or about 45.7%, using the two published averages from the noncontrast price database and the combined contrast database.

Insurance does not turn a lumbar MRI into a predictable $100 to $500 expense. The patient’s bill depends on the insurer’s allowed amount, remaining deductible, coinsurance, network status, and the benefits that apply to the specific imaging facility. The MRI order also matters because a scan without contrast is billed differently from one performed without and with contrast.

Article Highlights

• Current cash-pay outpatient offers can fall below $400 (at $30 per hour, earning that amount would take about 1.7 full-time workdays, before taxes), while hospital cash prices for the same noncontrast lumbar MRI code can run into the thousands.
• CPT 72148 describes a lumbar MRI without contrast. CPT 72158 is used when the lumbar MRI is performed without contrast and then with contrast.
• Hospital location can matter more to the bill than the scanner itself because facility pricing differs sharply.
• An insured patient who has not met the deductible may owe the full negotiated amount rather than a small copay.
• A quote should state whether radiologist interpretation, contrast, and any facility charges are included.
• Cash and insurance estimates should be compared using the same lumbar region, contrast protocol, and billing code.

How Much Does a Lumbar MRI Cost?

Pricing benchmark	Current amount	Price type
Prepaid MRI without contrast, Tennessee	$293 to $785 (about 1.2 to 3.3 full-time workdays at $30 per hour)	Bundled cash marketplace offers
Prepaid MRI without contrast, California	$356 to $726	Bundled cash marketplace offers
Hospital cash median, CPT 72148	$1,762	Hospital transparency files
Average lumbar MRI without contrast	$2,166	Turquoise Health cash-price database
Average lumbar MRI without and with contrast	$3,156	Turquoise Health cash-price database

These figures should not be collapsed into one national “average MRI price.” California prepaid listings currently span $356 to $726 through MDsave’s California MRI market, while hospital discounted-cash data sit in a different pricing system. A prepaid marketplace price, an insurer-negotiated rate, a hospital discounted-cash amount, and a chargemaster figure are not interchangeable.

What You’re Actually Buying

A lumbar spine MRI uses a strong magnetic field, radiofrequency energy, and a computer to create detailed images of the lower spine and nearby tissues. It does not use ionizing radiation. The images can show vertebrae, discs, the spinal canal, nerve roots, ligaments, and other soft tissues.

The scan itself is only one part of the service. A radiologist interprets the images and issues a report for the ordering clinician. Some exams use a gadolinium-based contrast agent through an IV, while others do not. The protocol is selected for the clinical question rather than by the patient shopping for a lower price. Current MRI safety guidance explains that MRI uses magnetic and radiofrequency fields rather than x-rays and that facilities screen for metal, implants, and other issues before scanning.

CPT 72148 vs 72158

The billing code helps explain why two “lumbar MRI” quotes may not describe the same service. CPT 72148 is a lumbar spinal canal MRI performed without contrast. CPT 72149 describes a lumbar MRI with contrast, while CPT 72158 covers imaging performed first without contrast and then after contrast administration. The current CPT 72148 coding reference identifies the noncontrast service as imaging of the lumbar spinal canal and contents without contrast material.

Do not compare a CPT 72148 cash quote directly with a CPT 72158 quote and conclude that one provider is overpriced. The second exam includes additional imaging after contrast administration and is a different billed service. The contrast protocol should come from the ordering and imaging clinicians based on the reason for the exam, not from a cost comparison alone.

Hospital Cash vs Prepaid Imaging

The setting can create a larger price gap than many patients expect. Hospital outpatient departments and freestanding imaging centers can publish very different prices for the same noncontrast lumbar code. The first comparison should be the ordered protocol and billing code, followed by the cash or negotiated price that applies at the exact location.

A lower outpatient price does not mean the images are automatically inferior, and a higher hospital price does not mean the scan is automatically better. Compare the ordered body area, contrast protocol, CPT code, network status, scanner access requirements, and whether the radiologist’s interpretation is included. Hospital care can also be appropriate when the scan is tied to other hospital services or a patient’s clinical needs.

What Insurance Can Leave You Owing

A deductible is the amount a patient pays for covered care before the health plan begins paying under the plan’s rules. HealthCare.gov explains that a patient with a $2,000 (about 1.7 full-time workweeks at $30 per hour) deductible, for example, pays the first $2,000 of covered services subject to that deductible, as described in its deductible definition.

Coinsurance works differently after the deductible. HealthCare.gov uses a 20% example and explains that when the deductible has been met, the patient pays 20% of the allowed amount, while someone who has not met the deductible can owe the full allowed amount under that example. The mechanics are laid out in the federal coinsurance explanation.

That produces very different MRI bills from the same negotiated price. Suppose an in-network lumbar MRI has an allowed amount of $800. A patient with at least $800 of deductible still remaining could owe the full $800. If the deductible has already been satisfied and the plan applies 20% coinsurance, the same $800 allowed amount produces a $160 patient share. The example illustrates plan mechanics, not a promise that any insurer will set an $800 MRI rate.

The Hidden MRI Bill

The number quoted on a scheduling call can be incomplete. Ask whether the price includes both the technical component, meaning the scan itself, and the professional interpretation by the radiologist. Also ask whether contrast, an IV administration charge, facility charges, or a separate reading bill can appear. A bundled cash package may include these items, while another provider may bill components separately.

Patients paying cash should also check the hospital’s own price estimator before assuming the chargemaster number is the amount due. CMS says hospitals must make standard charges public and provide a consumer-friendly display or qualifying estimator for shoppable services. The agency’s 2026 hospital transparency program includes discounted cash prices and payer information intended to support pre-service price comparisons.

Financial assistance is another separate price layer. Tax-exempt hospitals must maintain written financial assistance policies for qualifying emergency and other medically necessary care. The IRS financial assistance rules require those policies to state eligibility criteria, how charges are calculated, and how patients apply. Eligibility and discounts differ by hospital.

Sedation can also change the bill when it is ordered for a patient who cannot complete the exam without it. If sedation or contrast is part of the order, ask the facility whether its estimate includes those services and any related monitoring or drug charges.

Three Patient Cost Scenarios

Cash-pay outpatient case: A patient finds a bundled noncontrast MRI for $500. Compared with the $1,762 hospital cash median cited above, the difference is $1,262. The $500 offer is about 71.6% lower. The two offers still need the same lumbar region and contrast status before they are treated as comparable.

Deductible-not-met case: The insurer’s allowed amount is $800, and the patient has more than $800 remaining on a deductible that applies to imaging. The modeled patient responsibility is $800. This is why having insurance does not guarantee a small MRI bill.

Worked deductible-plus-coinsurance case: Use the same hypothetical $800 allowed amount, but assume only $300 remains on the deductible and the plan then applies 20% coinsurance. The first $300 satisfies the remaining deductible. That leaves $500, and 20% of $500 is $100. The modeled out-of-pocket total is $400. Real plans can apply different deductibles, copays, coinsurance percentages, authorization rules, and network terms.

When Price Shopping Makes Sense

Makes sense to compare prices if:

• The ordering clinician has already specified the lumbar MRI and contrast protocol.
• The scan can be scheduled rather than performed as part of urgent or emergency care.
• You can compare the same CPT code at in-network facilities.
• You can obtain a written cash or insurance estimate that states what is included.

Do not treat two prices as equivalent if:

• One is CPT 72148 and the other is a contrast study such as CPT 72158.
• One quote bundles the radiologist reading and another excludes it.
• One facility is in network and the other is outside the plan’s network.
• One number is a hospital gross charge while the other is a discounted cash or negotiated price.

Price shopping should not decide whether imaging is medically indicated. The American College of Radiology rates lumbar MRI as usually not appropriate for initial imaging of uncomplicated acute low back pain without red flags and also for uncomplicated subacute or chronic low back pain with no prior management.

MRI becomes appropriate in several different clinical scenarios, including certain persistent symptoms in intervention candidates, suspected cauda equina syndrome, prior lumbar surgery with new or progressing symptoms, and suspected cancer or infection, as shown in the ACR Low Back Pain criteria.

Related imaging prices also vary by anatomy and protocol. A general MRI cost is not a substitute for a lumbar-specific quote, while a brain MRI cost uses a different body region and coding structure. If imaging leads to a separate treatment discussion, the cost of radiofrequency ablation should be treated as a new procedure rather than part of the MRI bill.

What We Verified

• Checked: current hospital cash data for CPT 72148 show a wide spread rather than one reliable national retail price.
• Confirmed: current prepaid imaging listings show noncontrast MRI offers below many hospital-published cash prices.
• Cross-referenced: ACR guidance does not support routine lumbar MRI as initial imaging for uncomplicated low back pain without red flags.
• Verified: MRI uses magnetic fields and radiofrequency energy rather than ionizing radiation, and preparation instructions can differ by facility.

Answers to Common Questions

How much is a lumbar MRI without insurance?
Current cash prices can range from roughly $300 at lower-cost prepaid imaging sites to around $2,000 or more at many hospitals. Get the exact CPT code and a written price from the facility.

How much does a lumbar MRI cost with insurance?
There is no dependable national patient-pay range. Your bill can depend on the negotiated allowed amount, remaining deductible, coinsurance, network status, and plan rules.

Does contrast make a lumbar MRI more expensive?
It can. A without-and-with-contrast lumbar MRI is a different service from a noncontrast study and current cash-price data show higher pricing in many settings. The imaging protocol is a clinical decision.

Can you eat before a lumbar MRI?
Preparation rules vary. Current spine MRI instructions say eating and drinking rules differ by facility and that patients should follow the directions issued for their specific exam.

How long does a lumbar MRI take?
MRI duration varies by protocol and patient needs. The FDA’s MRI overview says MRI exams can take roughly 20 to 90 minutes depending on the body area and examination, so the imaging center can give the most useful time estimate for the ordered lumbar study.