Cost of a ER Visit (High) Visit
in Illinois
Illinois's healthcare market, concentrated around Chicago's major academic medical centers, maintains 13,925 active emergency medicine providers across the state. For a ER Visit (High) visit, patients typically pay between $80 and $569, with a median out-of-pocket cost of $206. The state's expanded Medicaid program and competitive insurance marketplace help moderate costs compared to neighboring states, though patients can browse all providers in Illinois to find the most affordable options.
Average
$285
Median
$206
Lowest
$80
Highest
$569
Providers
13,925
51% above national average
Important: These are cost estimates only — not a quote and not medical advice.
The prices on this page are self-pay rates, drawn from federal Transparency in Coverage machine-readable files (CPT 99285 — Emergency department visit, high severity). They represent what a patient might pay without insurance.
Your actual cost depends on: your specific insurance plan, your remaining deductible, your coinsurance percentage, whether you have met your out-of-pocket maximum, whether the facility and provider are both in-network, and any separate anesthesia or implant fees billed independently.
This page does not constitute medical advice. Whether you need this procedure, and which approach is right for you, is a decision to make with a licensed healthcare provider.
Where this data comes from & what CPT 99285 covers
Data source: Cost figures are derived from UnitedHealthcare Transparency in Coverage machine-readable files for CPT code 99285 (Emergency department visit, high severity), as mandated by the CMS Price Transparency Rule.
What CPT 99285 covers: the provider's professional fee for er visit (high severity). It does not include facility/hospital fees, anesthesia, pre-operative imaging, post-operative care, or any add-on codes billed separately.
How to Find the Right ER Visit (High) Near You in Illinois and Compare Costs
Verify the Doctor's Credentials and Specialty Focus
Board certification in emergency medicine indicates specialized training in critical care, trauma management, and acute medical conditions. Look for doctors who have completed emergency medicine residencies and maintain active certifications, as this specialty requires rapid decision-making skills and expertise in life-threatening situations.
Check Network Status Before Booking
In-network emergency visits can cost hundreds less than out-of-network care, particularly important given Illinois's major insurers like BCBS IL, UHC, and Aetna each maintain different provider networks. Illinois patients should verify network status before non-emergency visits, though emergency care receives special billing protections under federal law regardless of network status.
Compare Out-of-Pocket Costs Across Providers
The same high-acuity emergency visit can vary significantly between hospital emergency departments and freestanding emergency centers throughout Illinois. Hospital-based emergency departments often carry higher facility fees, while independent emergency centers may offer more transparent pricing, particularly in suburban Chicago markets where competition drives cost variations.
Ask About Self-Pay Discounts
Many Illinois emergency departments offer substantial cash-pay discounts for uninsured patients, sometimes reducing bills by 30-50% when paid promptly. Payment plans are commonly available, and hospital financial counselors can help negotiate manageable arrangements based on income and family size.
Skip the research. Momentary Lab searches thousands of ER Visit (High) providers in Illinois, compares costs, and checks your insurance in seconds.
Top-Rated Hospitals in Illinois
These hospitals in Illinois are top-rated for patient satisfaction. Review data sourced from HCAHPS Patient Survey.
GALENA, IL
CARTHAGE, IL
GIBSON CITY, IL
MONMOUTH, IL
Hospital ratings are based on HCAHPS (Hospital Consumer Assessment of Healthcare Providers and Systems) survey data published by CMS.
Does Your Insurance Cover ER Visit (High) Visits in Illinois?
Illinois's insurance landscape features strong competition among BCBS IL, UHC, and Aetna, while the state's Medicaid expansion provides coverage for emergency services to qualifying low-income residents. This competitive environment helps moderate emergency care costs compared to less competitive insurance markets in neighboring states.
Understanding Referral Requirements
Emergency care typically bypasses referral requirements even under HMO plans, as life-threatening conditions require immediate attention. However, follow-up care after emergency treatment may require referrals back to primary care physicians, particularly for Illinois HMO members seeking ongoing specialist management.
What In-Network Actually Means for Your Costs
Emergency departments often include multiple providers (physicians, specialists, radiologists) who may have different network statuses, though federal No Surprises Act protections limit unexpected bills. Hospital-based emergency care involves both professional fees from doctors and facility fees from hospitals, each subject to separate network agreements.
Key Questions to Ask Before Your Visit
For non-emergency situations, confirm whether the facility accepts your insurance plan, understand your emergency room copay or deductible responsibility, ask about facility fees separate from physician charges, and inquire about financial assistance programs if you're uninsured or underinsured.
Medicaid and Medicare Coverage in Illinois
Illinois expanded Medicaid covers emergency services for qualifying residents, including high-acuity visits that require immediate medical attention. Medicare Part B covers emergency department visits when medically necessary, though beneficiaries remain responsible for deductibles and coinsurance amounts regardless of the emergency severity level.
Check your coverage instantly. Tell our AI Navigator your insurance plan and provider -- we will tell you exactly what you will pay.
Why ER Visit (High) Visit Costs Vary Across Illinois
Illinois emergency care costs run approximately 10% above national averages, driven by Chicago's concentration of major academic medical centers and the state's higher-than-average healthcare worker wages. The Prairie State's geography creates distinct cost regions, from Chicago's dense provider networks to rural counties where emergency access may require longer transport times.
Urban vs. Rural Provider Availability
Chicago's metropolitan area contains dozens of emergency departments within a 50-mile radius, while rural Illinois counties may have only one hospital serving multi-county regions. This geographic disparity affects both access and pricing, as rural emergency departments often charge higher rates to cover fixed costs across smaller patient populations.
Facility Type and Overhead Costs
Illinois features major health systems like Northwestern Medicine, Advocate Health, and Rush University Medical Center that operate hospital-based emergency departments with higher overhead costs. Independent freestanding emergency departments, particularly in suburban markets, may offer lower facility fees but similar physician charges for high-acuity care.
Insurance Market Competition in Illinois
The competitive Illinois market with major players BCBS IL, UHC, and Aetna creates downward pressure on negotiated emergency care rates. This competition particularly benefits patients in the Chicago metropolitan area, where insurers compete aggressively for employer-sponsored group coverage that includes emergency benefits.
Physician Supply and Demand in Illinois
With 13,925 active emergency medicine providers, Illinois maintains adequate emergency physician supply in urban areas while facing shortages in rural regions. This supply-demand imbalance contributes to pricing variations, as rural emergency departments may charge premium rates to attract and retain emergency physicians willing to serve less populated areas.
Compare Similar Procedures
How does er visit (high severity) compare to related procedures in Illinois?
| Procedure | CPT | Low | Median | High | Providers |
|---|---|---|---|---|---|
| ER Visit (Low Severity) Emergency department visit, low severity | 99283 | $57 | $90 | $252 | 15,690 |
| ER Visit (Moderate Severity) Emergency department visit, moderate severity | 99284 | $80 | $158 | $431 | 14,611 |
Jayant Panwar
CEO, Momentary Labs · San Francisco, CA
Jayant has analyzed healthcare pricing data from CMS Transparency in Coverage files since 2022, covering more than 50 million negotiated rate records across all 50 states. His work focuses on making insurer machine-readable files accessible to patients and researchers.
The cost figures on this page reflect his ongoing work to make this data accessible to patients.
Frequently Asked Questions — ER Visit (High) Costs in Illinois
What is the average cost of a ER Visit (High) visit in Illinois without insurance?
Does Illinois Medicaid cover ER Visit (High) visits?
How do I find an affordable ER Visit (High) near me in Illinois?
What is the difference in cost between an initial consultation and a follow-up visit?
Can I use an HSA or FSA to pay for a ER Visit (High) visit in Illinois?
How does telemedicine affect the cost of seeing a ER Visit (High) in Illinois?
Find an Affordable ER Visit (High) Near You in Illinois — Powered by AI
Finding the right emergency care in Illinois shouldn't add stress during medical crises. Momentary Lab provides instant cost transparency across Illinois emergency departments, checks your specific insurance coverage, and helps you understand out-of-pocket expenses before you need care. Get your personalized cost estimate -- free, instant, no sign-up required.
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Average Visit Cost
Office visit (CPT 99285)
| Rank | State | Average↓ |
|---|---|---|
| 1 | Wisconsin Range: $73 – $940 | $430 |
| 2 | New Hampshire Range: $150 – $446 | $294 |
| 3 | Illinois Range: $80 – $569 | $285 |
| 4 | Iowa Range: $85 – $538 | $275 |
| 5 | Louisiana Range: $98 – $536 | $261 |
| 6 | New York Range: $80 – $543 | $260 |
| 7 | Maine Range: $170 – $337 | $251 |
| 8 | Nebraska Range: $123 – $422 | $236 |
| 9 | Washington Range: $80 – $379 | $224 |
| 10 | Colorado Range: $80 – $390 | $219 |
| 11 | New Mexico Range: $88 – $389 | $218 |
| 12 | Wyoming Range: $88 – $385 | $217 |
| 13 | Vermont Range: $98 – $356 | $216 |
| 14 | Rhode Island Range: $80 – $429 | $202 |
| 15 | Massachusetts Range: $80 – $428 | $202 |
| 16 | Georgia Range: $85 – $333 | $198 |
| 17 | North Carolina Range: $80 – $330 | $188 |
| 18 | District of Columbia Range: $85 – $305 | $185 |
| 19 | Maryland Range: $88 – $298 | $183 |
| 20 | Michigan Range: $80 – $318 | $183 |
| 21 | Utah Range: $80 – $317 | $182 |
| 22 | New Jersey Range: $60 – $348 | $182 |
| 23 | Ohio Range: $85 – $287 | $181 |
| 24 | Mississippi Range: $126 – $250 | $181 |
| 25 | California Range: $80 – $374 | $181 |
| 26 | Hawaii Range: $80 – $313 | $179 |
| 27 | Arkansas Range: $85 – $282 | $178 |
| 28 | Virginia Range: $88 – $293 | $177 |
| 29 | Tennessee Range: $85 – $259 | $170 |
| 30 | South Carolina Range: $80 – $287 | $170 |
| 31 | Missouri Range: $88 – $239 | $168 |
| 32 | Minnesota Range: $91 – $312 | $167 |
| 33 | Oklahoma Range: $85 – $246 | $166 |
| 34 | Kansas Range: $88 – $243 | $166 |
| 35 | Alabama Range: $80 – $257 | $160 |
| 36 | Pennsylvania Range: $55 – $334 | $159 |
| 37 | Arizona Range: $80 – $250 | $157 |
| 38 | Indiana Range: $85 – $298 | $157 |
| 39 | West Virginia Range: $88 – $281 | $155 |
| 40 | Delaware Range: $85 – $203 | $155 |
| 41 | Kentucky Range: $80 – $296 | $155 |
| 42 | Nevada Range: $85 – $267 | $154 |
| 43 | Alaska Range: $80 – $292 | $151 |
| 44 | Connecticut Range: $55 – $320 | $148 |
| 45 | Idaho Range: $80 – $275 | $148 |
| 46 | Oregon Range: $80 – $250 | $142 |
| 47 | Texas Range: $80 – $257 | $142 |
| 48 | Montana Range: $80 – $213 | $124 |
| 49 | North Dakota Range: $91 – $177 | $122 |
| 50 | South Dakota Range: $98 – $161 | $119 |
| 51 | Florida Range: $35 – $246 | $114 |
Jayant Panwar
CEO & Healthcare Data Analyst, Momentary Labs
Last updated: April 4, 2026
About This Data
Cost data sourced from Transparency in Coverage (TiC) machine-readable files published by UnitedHealthcare as required by the CMS Price Transparency Rule. These are actual negotiated rates between insurers and providers — not estimates.
Prices shown are for Emergency department visit, high severity (CPT 99285) in Illinois, aggregated across 13,925 provider contracts.
Actual out-of-pocket costs depend on your insurance plan, deductible, coinsurance, and services received. This is not medical advice.
About this page
Data source: UnitedHealthcare Transparency in Coverage machine-readable files, CPT 99285, Illinois providers. Rates represent in-network negotiated amounts and may vary by plan type.
Editorial policy: Momentary Labs does not accept payment from providers, hospitals, or insurers to influence cost rankings or editorial content. Read our full editorial policy.
Corrections: If you believe any cost figure or clinical information on this page is inaccurate, please report it here. We review all submissions within 5 business days.
