Rapid flu test cost in Chicago, IL
In Chicago-Naperville-Elgin, IL-IN, 50 hospitals list a cash price for rapid flu test (influenza antigen): from $10.73 to $388.85, with a median of $36.27. The lowest listed price is at Roseland Community Hospital — $25.54 less than the median here. Across Illinois, the median is $71.52 at 84 hospitals.
- The median here, $36.27, is 40% below the US median of $60.40.
- That is 2.2× Medicare's 2026 national rate for the same service ($16.55).
- 10 of 50 hospitals list a cash price equal to their full list price, with no self-pay discount.
Cash prices at 50 facilities across 36 cities for code 87804, as an outpatient — the setting a self-pay patient normally buys. Collected Nov 10, 2026; the hospital files themselves were last updated between Jan 1, 2025 and Nov 6, 2026.
Lowest$10.73Roseland Community Hospital
Median$36.27half of hospitals charge less
Highest$388.85in this market
Difference36.2×highest vs lowest
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Chicago-Naperville-Elgin, IL-IN.
median
Lowest $10.73Highest $388.85
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Roseland Community Hospital lowest Chicago, IL · (773) 995-3000 Detection test by immunoassay with direct visual observation for influenza virus File of Jul 1, 2026 · source file | $10.73 | $55.00 | $10.73–$60.50 | 80% |
| Morris Hospital Morris, IL · (815) 942-2932 Detection test by immunoassay with direct visual observation for influenza virus File of Oct 27, 2026 · source file | $12.39 | $51.50 | $22.25–$53.05 | 76% |
| Franciscan Health Rensselaer Rensselaer, IN · (219) 866-5141 Rhc Infect Agent Detect; Influenza File of Jan 1, 2026 · source file | $15.75 | $44.00 | $11.00–$74.48 | 64% |
| Saint Joseph Medical Center - Joliet Joliet, IL · (815) 725-7133 INFLUENZA A&B+3 more lines at this price File of Sep 1, 2026 · source file | $16.00 | $117.00 | $7.41–$234.00 | 86% |
| Mercy Medical Center Aurora, IL · (630) 859-2222 INFLUENZA A/B ANTIGEN File of Sep 1, 2026 · source file | $16.00 | $191.00 | $9.93–$191.00 | 92% |
| Saint Francis Hospital Evanston, IL · (847) 316-4000 HC DETECT AGENT,IMMUN,DIR OBS,INFLUENZA File of Sep 1, 2026 · source file | $16.00 | $86.00 | $9.93–$86.00 | 81% |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Influenza Assay W/Optic Office Performed File of Jan 1, 2025 · source file | $22.75 | $35.00 | $4.73–$19.11 | 35% |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Influenza Assay W/Optic Office Performed File of Jan 1, 2025 · source file | $22.75 | $35.00 | $4.73–$19.11 | 35% |
| Loretto Hospital Chicago, IL · (773) 626-4300 INFLUENZA ASSAY W/OPTIC File of Nov 5, 2026 · source file | $22.87 | $38.11 | $22.87–$83.59 | 40% |
| Gottlieb Memorial Hospital Melrose Park, IL · (708) 681-3200 Influenza Assay W Optical Observton (Mrflu) File of Mar 31, 2026 · source file | $23.75 | $125.00 | $53.25–$104.75 | 81% |
| MacNeal Hospital Berwyn, IL · (708) 783-9100 Influenza Assay W Optical Observton (Mrflu) File of Mar 31, 2026 · source file | $23.75 | $125.00 | $23.75–$173.13 | 81% |
| Northwest Health - Porter Valparaiso, IN · (219) 983-8300 87804 INFLUENZA ASSAY W-OP+2 more lines at this price File of Apr 1, 2026 · source file | $25.65 | $95.00 | $14.60–$79.80 | 73% |
| Resilience Healthcare West Suburban Medical Center Oak Park, IL · (708) 383-6200 Influenza B Antigen+2 more lines at this price File of Mar 17, 2025 · source file | $25.65 | $75.45 | $11.20–$49.04 | 66% |
| Franciscan Health Munster Munster, IN · (219) 922-4200 Infect Agent Detect; Influenza File of Jan 1, 2026 · source file | $26.63 | $125.00 | $13.07–$109.00 | 79% |
| Presence Saint Joseph Hospital - Chicago Chicago, IL · (773) 665-3000 HC INFLUENZA-RAPID TEST+1 more line at this price File of Jan 1, 2026 · source file | $28.38 | $86.00 | $16.55–$69.47 | 67% |
| Loyola University Medical Center Maywood, IL · (708) 216-9000 Influenza Assay W Optical Observton (Mrflu) File of Mar 31, 2026 · source file | $28.75 | $125.00 | $54.88–$131.75 | 77% |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 Influenza A Antigen+2 more lines at this price File of Mar 17, 2025 · source file | $29.27 | $86.08 | $14.32–$55.95 | 66% |
| John H. Stroger, Jr. Hospital Chicago, IL · (312) 864-6000 IMMUNO OPTICAL INFLUENZA File of Apr 1, 2026 · source file | $29.40 | $42.00 | $5.04–$33.60 | 30% |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC DETECT AGENT,IMMUN,DIR OBS,INFLUENZA - RAPID FLU File of Apr 1, 2026 · source file | $31.25 | $125.00 | — | 75% |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC DETECT AGENT,IMMUN,DIR OBS,INFLUENZA - RAPID FLU File of Apr 1, 2026 · source file | $31.25 | $125.00 | — | 75% |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC DETECT AGENT,IMMUN,DIR OBS,INFLUENZA - RAPID FLU File of Apr 1, 2026 · source file | $31.25 | $125.00 | — | 75% |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC DETECT AGENT,IMMUN,DIR OBS,INFLUENZA - RAPID FLU File of Apr 1, 2026 · source file | $31.25 | $125.00 | — | 75% |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 INFLUENZA ASSAY W/OPTIC OFFICE PERFORMED File of Apr 1, 2026 · source file | $35.00 | $35.00 | — | — |
| Endeavor Health Highland Park Hospital Highland Park, IL INFLUENZA ASSAY W/OPTIC OFFICE PERFORMED File of Apr 1, 2026 · source file | $35.00 | $35.00 | — | — |
| Northshore University Healthsystem - Evanston Hospital Evanston, IL · (847) 570-2000 INFLUENZA ASSAY W/OPTIC OFFICE PERFORMED File of Apr 1, 2026 · source file | $35.00 | $35.00 | — | — |
| Franciscan Health Dyer Dyer, IN · (219) 865-2141 Infect Agent Detect; Influenza File of Jan 1, 2026 · source file | $37.53 | $139.00 | $14.81–$109.00 | 73% |
| Humboldt Park Health Chicago, IL · (773) 292-8200 Detection test by immunoassay with direct visual observation for influenza virus File of Sep 29, 2026 · source file | $39.10 | $139.65 | $46.08–$146.63 | 72% |
| Community First Medical Center Chicago, IL · (773) 282-7000 Detection test by immunoassay with direct visual observation for influenza virus File of Apr 1, 2026 · source file | $41.88 | $83.75 | $10.43–$83.75 | 50% |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL POC INFLUENZA ANTIGEN RAPID File of Nov 3, 2026 · source file | $42.50 | $85.00 | $13.24–$75.94 | 50% |
| Advocate South Suburban Hospital Hazel Crest, IL POC INFLUENZA ANTIGEN RAPID File of Nov 3, 2026 · source file | $42.50 | $85.00 | $13.24–$82.79 | 50% |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 POC INFLUENZA ANTIGEN RAPID File of Nov 3, 2026 · source file | $42.50 | $85.00 | $13.24–$76.50 | 50% |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 POC INFLUENZA ANTIGEN RAPID File of Nov 3, 2026 · source file | $42.50 | $85.00 | $13.24–$75.94 | 50% |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 POC INFLUENZA ANTIGEN RAPID File of Nov 3, 2026 · source file | $42.50 | $85.00 | $13.24–$75.94 | 50% |
| Franciscan Health Crown Point Crown Point, IN · (219) 757-6100 Infect Agent Detect; Influenza File of Jan 1, 2026 · source file | $43.34 | $168.00 | $168.00 | 74% |
| Loretto Hospital Chicago, IL · (773) 626-4300 INFLUENZA A RAPID SCREEN File of Nov 5, 2026 · source file | $50.15 | $83.59 | $22.87–$83.59 | 40% |
| Franciscan Health Rensselaer Rensselaer, IN · (219) 866-5141 Infect Agent Detect; Influenza File of Jan 1, 2026 · source file | $60.14 | $168.00 | $14.81–$134.40 | 64% |
| Mercyhealth Hospital & Medical Center - Harvard Harvard, IL · (815) 943-5431 CHG IAADIADOO INFLUENZA File of Mar 1, 2026 · source file | $63.87 | $85.16 | — | 25% |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 INFLUENZA B ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 6, 2026 · source file | $87.50 | $175.00 | $13.24–$155.75 | 50% |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 INFLUENZA B ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$142.45 | 50% |
| Advocate South Suburban Hospital Hazel Crest, IL INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$170.45 | 50% |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$155.75 | 50% |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$157.50 | 50% |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 INFLUENZA A ANTIGEN, RAPID+1 more line at this price File of Nov 3, 2026 · source file | $87.50 | $175.00 | $13.24–$140.00 | 50% |
| Northwest Community Hospital Arlington Heights, IL · (847) 618-1000 Hb Influenza Assay W/Optic File of Apr 1, 2026 · source file | $96.00 | $96.00 | — | — |
| Shriners Childrens - Chicago Chicago, IL · (773) 622-5400 INFLUENZA ASSAY W/OPTIC File of Mar 19, 2026 · source file | $97.70 | $97.70 | $14.53–$24.48 | — |
| Elmhurst Memorial Hospital Elmhurst, IL · (331) 221-1000 HC INFECTIOUS AGENT ANTIGEN INFLUENZA A (RAPID)+1 more line at this price File of Apr 1, 2026 · source file | $130.00 | $130.00 | — | — |
| Edward Hospital Naperville, IL · (630) 527-3000 HC INFECTIOUS AGENT ANTIGEN INFLUENZA A (RAPID)+1 more line at this price File of Apr 1, 2026 · source file | $130.00 | $130.00 | — | — |
| Methodist Hospital-Southlake Merrillville, IN · (219) 886-4000 Influenza a Antigen/Ifab+1 more line at this price File of Aug 18, 2026 · source file | $156.10 | $223.00 | $16.55–$198.47 | 30% |
| The Methodist Hospitals Gary, IN · (219) 886-4000 Influenza B Antigen/Ifab+1 more line at this price File of Aug 18, 2026 · source file | $156.10 | $223.00 | $16.55–$198.47 | 30% |
| Ingalls Memorial Hospital Harvey, IL · (708) 333-2300 Hc Influenza A & B Immunoassay File of Apr 1, 2026 · source file | $207.00 | $207.00 | — | — |
| The University of Chicago Medical Center Chicago, IL · (773) 702-9785 Hc Influenza A & B Immunoassay File of Apr 1, 2026 · source file | $252.00 | $252.00 | — | — |
| Vista Medical Center East Waukegan, IL · (847) 360-3000 INFLUENZA ASSAY W-OP File of Mar 31, 2025 · source file | $388.85 | $388.85 | $16.55–$54.83 | — |
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.
No cash discount This line's cash price equals the hospital's full list price. Many hospitals still reduce bills for uninsured patients: ask the billing office for its self-pay discount in writing. More
Outpatient: lowest $10.73, median $36.27, highest $388.85 — a 36.2× difference within the same market.
As an inpatient, the same code is billed by 36 facilities here, median $40.02. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 33 of 37 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 5 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What rapid flu test is, what the price covers and why prices differ: Rapid flu test explained.