Mono test cost in Chicago, IL
In Chicago-Naperville-Elgin, IL-IN, 46 hospitals list a cash price for mono test (heterophile antibody, Monospot): from $5.00 to $200.00, with a median of $52.50. The lowest listed price is at Saint Francis Hospital and 1 other hospital — $47.50 less than the median here. Across Illinois, the median is $52.50 at 60 hospitals.
Cash prices at 46 facilities across 31 cities for code 86308, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 17, 2025 and Sep 1, 2026.
Lowest$5.00Saint Francis Hospital + 1 more
Median$52.50half pay less
Highest$200.00in this market
Difference40.0×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 $5.00Highest $516.60
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Saint Francis Hospital lowest Evanston, IL · (847) 316-4000 HC HETEROPHILE ANTIBODIES,SCREEN | $5.00 | $182.00 | $3.11–$151.06 | 97% | Sep 1, 2026 source file |
| Mercy Medical Center lowest Aurora, IL · (630) 859-2222 MONONUCLEOSIS SCREEN | $5.00 | $184.00 | $3.11–$184.00 | 97% | Sep 1, 2026 source file |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 Mononucleosis Test, Qual SO | $5.10 | $15.00 | $2.49–$9.75 | 66% | Mar 17, 2025 source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL · (847) 570-2000 Heterophile Antibodies Screen Office Perfor | $10.40 | $16.00 | $2.16–$8.74 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Heterophile Antibodies Screen Office Perfor | $10.40 | $16.00 | $2.16–$8.74 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Heterophile Antibodies Screen Office Perfor | $10.40 | $16.00 | $2.16–$8.74 | 35% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Heterophile Antibodies Screen Office Perfor | $10.40 | $16.00 | $2.16–$8.74 | 35% | — source file |
| Roseland Community Hospital Association Chicago, IL · (773) 995-3000 Screening test for mononucleosis (mono) | $11.72 | $57.00 | $4.82–$62.70 | 79% | Jul 1, 2026 source file |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 HETEROPHILE ANTIBODIES,SCREEN OFFICE PERFOR | $16.00 | $16.00 | — | — | Apr 1, 2026 source file |
| Northshore University Healthsystem - Evanston Hospital Evanston, IL · (847) 570-2000 HETEROPHILE ANTIBODIES,SCREEN OFFICE PERFOR | $16.00 | $16.00 | — | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL HETEROPHILE ANTIBODIES,SCREEN OFFICE PERFOR | $16.00 | $16.00 | — | — | Apr 1, 2026 source file |
| Community First Medical Center Chicago, IL · (773) 282-7000 Screening test for mononucleosis (mono) | $18.38 | $36.75 | $1.90–$36.75 | 50% | Apr 1, 2026 source file |
| Gottlieb Memorial Hospital Melrose Park, IL · (708) 681-3200 Heterophile Ab Scr | $22.23 | $117.00 | $49.84–$98.05 | 81% | Mar 31, 2026 source file |
| Humboldt Park Health Chicago, IL · (773) 292-8200 Screening test for mononucleosis (mono) | $26.75 | $95.55 | $95.55 | 72% | Aug 24, 2026 source file |
| Loyola University Medical Center Maywood, IL · (708) 216-9000 Heterophile Ab Scr | $26.91 | $117.00 | $58.50–$123.32 | 77% | Mar 31, 2026 source file |
| La Rabida Children's Hospital|LaRabida Childrens Hospital Chicago, IL · (773) 363-6700 MONO SCREEN | $33.65 | $33.65 | — | — | Apr 1, 2026 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 POC MONOTEST | $37.50 | $75.00 | $5.18–$67.50 | 50% | Nov 4, 2025 source file |
| Shriners Childrens - Chicago Chicago, IL · (773) 622-5400 HETEROPHILE ANTIBODY SCREEN | $43.30 | $43.30 | $4.61–$10.71 | — | — source file |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| Advocate South Suburban Hospital Hazel Crest, IL MONOTEST | $52.50 | $105.00 | $5.18–$102.27 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL MONOTEST | $52.50 | $105.00 | $5.18–$93.45 | 50% | Nov 4, 2025 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 MONOTEST | $52.50 | $105.00 | $5.18–$94.50 | 50% | Nov 4, 2025 source file |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 MONOTEST | $52.50 | $105.00 | $5.18–$93.45 | 50% | Nov 4, 2025 source file |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 MONOTEST | $52.50 | $105.00 | $5.18–$85.47 | 50% | Nov 4, 2025 source file |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 MONOTEST | $52.50 | $105.00 | $5.18–$84.00 | 50% | Nov 4, 2025 source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Inf. Mono Slide* | $52.65 | $81.00 | $10.94–$44.23 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Inf. Mono Slide* | $52.65 | $81.00 | $10.94–$44.23 | 35% | — source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL · (847) 570-2000 Inf. Mono Slide* | $52.65 | $81.00 | $10.94–$44.23 | 35% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Inf. Mono Slide* | $52.65 | $81.00 | $10.94–$44.23 | 35% | — source file |
| Presence Saint Joseph Hospital - Chicago Chicago, IL · (773) 665-3000 HC MONO SCREEN | $60.06 | $182.00 | $5.18–$21.79 | 67% | — source file |
| Presence Saint Joseph Hospital - Chicago Chicago, IL · (773) 665-3000 HC MONO SCREEN | $60.06 | $182.00 | $5.18–$21.79 | 67% | — source file |
| Elmhurst Memorial Hospital Elmhurst, IL · (331) 221-1000 HC HETEROPHILES ANTIBODY SCREENING MONO | $73.00 | $73.00 | — | — | Apr 1, 2026 source file |
| Edward Hospital Naperville, IL · (630) 527-3000 HC HETEROPHILES ANTIBODY SCREENING MONO | $73.00 | $73.00 | — | — | Apr 1, 2026 source file |
| Northwest Community Hospital Arlington Heights, IL · (847) 618-1000 Hb Heterophile Antibody Screen | $77.00 | $77.00 | — | — | Apr 1, 2026 source file |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 HB INF. MONO SLIDE* | $81.00 | $81.00 | — | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL HB INF. MONO SLIDE* | $81.00 | $81.00 | — | — | Apr 1, 2026 source file |
| Northshore University Healthsystem - Evanston Hospital Evanston, IL · (847) 570-2000 HB INF. MONO SLIDE* | $81.00 | $81.00 | — | — | Apr 1, 2026 source file |
| Resilience Healthcare West Suburban Medical Center Oak Park, IL · (708) 383-6200 Mononucleosis Screen | $91.31 | $268.56 | $5.02–$174.56 | 66% | Mar 17, 2025 source file |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 Mononucleosis Screen | $91.31 | $268.56 | $5.02–$174.56 | 66% | Mar 17, 2025 source file |
| Northwestern Medicine Delnor Hospital Geneva, IL · (630) 208-3000 HB Heterophile Screen | $92.40 | $132.00 | $19.67–$132.00 | 30% | Apr 1, 2026 source file |
| Palos Community Hospital Palos Heights, IL · (708) 923-4000 HB Heterophile Screen | $114.10 | $163.00 | $26.08–$163.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Kishwaukee Hospital DeKalb, IL · (815) 756-1521 HB Heterophile Screen | $135.10 | $193.00 | $35.32–$193.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine Valley West Hospital Sandwich, IL · (815) 786-8484 HB Heterophile Screen | $137.90 | $197.00 | $37.43–$197.00 | 30% | Apr 1, 2026 source file |
| Ann & Robert H. Lurie Children's Hospital of Chicago Chicago, IL · (312) 227-4000 H HETEROPHILE ANTIBODIES SCREEN | $144.20 | $206.00 | $35.02–$8,500.00 | 30% | — source file |
| Northwestern Medicine Central DuPage Hospital Winfield, IL · (630) 682-1600 HB Heterophile Screen | $153.30 | $219.00 | $15.11–$219.00 | 30% | Apr 1, 2026 source file |
| Northwestern Medicine McHenry Hospital McHenry, IL · (815) 344-5000 HB Heterophile Screen | $162.40 | $232.00 | $44.78–$232.00 | 30% | Apr 1, 2026 source file |
| Northwestern Lake Forest Hospital Lake Forest, IL · (847) 234-5600 HB Heterophile Screen | $162.40 | $232.00 | $38.51–$232.00 | 30% | Apr 1, 2026 source file |
| The Methodist Hospitals Gary, IN · (219) 886-4000 Mono Screen | $170.10 | $243.00 | $5.18–$216.27 | 30% | — source file |
| Northwestern Medicine Central DuPage Hospital Winfield, IL · (630) 682-1600 HB Ref Heterophile Screen | $170.10 | $243.00 | $16.77–$243.00 | 30% | Apr 1, 2026 source file |
| The Methodist Hospitals Merrillville, IN Mono Screen | $170.10 | $243.00 | $5.18–$216.27 | 30% | — source file |
| Northwestern Medicine Delnor Hospital Geneva, IL · (630) 208-3000 HB Ref Heterophile Screen | $170.10 | $243.00 | $36.21–$243.00 | 30% | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL · (773) 702-9785 Hc Heterophile Antibodies, Screening | $199.00 | $199.00 | — | — | Apr 1, 2026 source file |
| Ingalls Memorial Hospital Harvey, IL · (708) 333-2300 Hc Heterophile Antibodies, Screening | $200.00 | $200.00 | — | — | Apr 1, 2026 source file |
| Uchicago Medicine Northwest Indiana Crown Point, IN · (312) 755-4706 HC HETEROPHILE ANTIBODIES, SCREENING | $200.00 | $200.00 | — | — | Apr 1, 2026 source file |
| The Methodist Hospitals Merrillville, IN Heterophile Anti B | $516.60 | $738.00 | $5.18–$666.50 | 30% | — source file |
| The Methodist Hospitals Gary, IN · (219) 886-4000 Heterophile Anti B | $516.60 | $738.00 | $5.18–$666.50 | 30% | — source file |
Outpatient: lowest $5.00, median $52.50, highest $200.00 — a 40.0× difference within the same market.
As an inpatient, the same code is billed by 29 facilities here, median $52.50. 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 30 of 36 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 3 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 it is
The mono test looks for antibodies the body makes during infectious mononucleosis, usually caused by the Epstein-Barr virus.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
10 rows held back from this comparison
They are priced below $1 or below a tenth of the national median for code 86308 ($48.57). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Gottlieb Memorial Hospital Melrose Park, ILEwc - Lab Mono Screen | $0.01 | file |
| Loyola University Medical Center Maywood, ILEwc - Lab Mono Screen | $0.01 | file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth La Grange La Grange, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |
| Uchicago Medicine AdventHealth La Grange La Grange, ILHC MONONUCLEOSIS SCREEN | $4.50 | file |