Echocardiogram cost in Chicago, IL — inpatient
In Chicago-Naperville-Elgin, IL-IN, 32 hospitals list a cash price for echocardiogram through the chest wall, complete, with Doppler as an inpatient: from $696.00 to $5,935.00, with a median of $1,075.00. The lowest listed price is at Edward Hospital and 1 other hospital — $379.00 less than the median here. Across Illinois, the median is $1,443.56 at 63 hospitals.
Cash prices at 32 facilities across 23 cities for code 93306, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 17, 2025 and Apr 1, 2026.
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.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Edward Hospital lowest Naperville, IL · (630) 527-3000 EH PR TRANSTHORACIC ECHOCARD COMPLETE W DOPPLER AND COLOR | $696.00 | $696.00 | — | — | Apr 1, 2026 source file |
| Elmhurst Memorial Hospital lowest Elmhurst, IL · (331) 221-1000 EH PR TRANSTHORACIC ECHOCARD COMPLETE W DOPPLER AND COLOR | $696.00 | $696.00 | — | — | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth La Grange La Grange, IL · (708) 352-1200 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Bolingbrook Bolingbrook, IL · (630) 312-5000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER COMPLETE - TRANSTHORACIC ECHO (TTE) COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER COMPLETE - TTE COMPLETE | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Hinsdale Hinsdale, IL · (630) 856-9000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Uchicago Medicine AdventHealth Glenoaks Glendale Heights, IL · (630) 545-8000 HC TTE W/DOPPLER W OR WO FOL W CONTRAST | $800.00 | $3,200.00 | — | 75% | Apr 1, 2026 source file |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 EKG Charges - EKG -> Echo2D Spectr/Color FLO 93306 | $921.56 | $2,710.46 | $1,761.80 | 66% | Mar 17, 2025 source file |
| Louis A Weiss Memorial Hospital Chicago, IL · (773) 878-8700 Echo2D Spectr/Color FLO 93306 BCE | $921.56 | $2,710.46 | $1,761.80 | 66% | Mar 17, 2025 source file |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL ECHO/DOPPLER/COLOR W/O CONTRAST | $990.00 | $1,980.00 | $865.26–$1,584.00 | 50% | Nov 4, 2025 source file |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 ECHO/DOPPLER/COLOR W/O CONTRAST | $990.00 | $1,980.00 | $865.26–$1,584.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,000.00 | $2,000.00 | $874.00–$1,600.00 | 50% | Nov 4, 2025 source file |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 ECHO/DOPPLER/COLOR W/CONTRAST | $1,040.00 | $2,080.00 | $908.96–$1,664.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL ECHO/DOPPLER/COLOR W/CONTRAST | $1,040.00 | $2,080.00 | $908.96–$1,664.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 ECHO/DOPPLER/COLOR W/CONTRAST | $1,050.00 | $2,100.00 | $917.70–$1,680.00 | 50% | Nov 4, 2025 source file |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Christ Medical Center Oak Lawn, IL · (708) 684-8000 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Shepherd Hospital Barrington, IL · (847) 381-9600 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Oak Lawn Oak Lawn, IL ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate South Suburban Hospital Hazel Crest, IL ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,935.00 | 50% | Nov 4, 2025 source file |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 ECHO 2D COMP W DOP/CF PEDS | $1,075.00 | $2,150.00 | $939.55–$1,720.00 | 50% | Nov 4, 2025 source file |
| Advocate South Suburban Hospital Hazel Crest, IL ECHO/DOPPLER/COLOR W/O CONTRAST | $1,110.00 | $2,220.00 | $970.14–$1,776.00 | 50% | Nov 4, 2025 source file |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,110.00 | $2,220.00 | $970.14–$1,776.00 | 50% | Nov 4, 2025 source file |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,115.00 | $2,230.00 | $974.51–$1,784.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,120.00 | $2,240.00 | $978.88–$1,792.00 | 50% | Nov 4, 2025 source file |
| Advocate South Suburban Hospital Hazel Crest, IL ECHO/DOPPLER/COLOR W/CONTRAST | $1,160.00 | $2,320.00 | $1,013.84–$1,856.00 | 50% | Nov 4, 2025 source file |
| Advocate Trinity Hospital Chicago, IL · (773) 967-5002 ECHO/DOPPLER/COLOR W/CONTRAST | $1,160.00 | $2,320.00 | $1,013.84–$1,856.00 | 50% | Nov 4, 2025 source file |
| Advocate Illinois Masonic Medical Center Chicago, IL · (773) 975-1600 ECHO/DOPPLER/COLOR W/CONTRAST | $1,165.00 | $2,330.00 | $1,018.21–$1,864.00 | 50% | Nov 4, 2025 source file |
| Advocate Good Samaritan Hospital Downers Grove, IL · (630) 275-5900 ECHO/DOPPLER/COLOR W/CONTRAST | $1,170.00 | $2,340.00 | $1,022.58–$1,872.00 | 50% | Nov 4, 2025 source file |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL ECHO/DOPPLER/COLOR W/O CONTRAST | $1,200.00 | $2,400.00 | $1,048.80–$1,920.00 | 50% | Nov 4, 2025 source file |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,200.00 | $2,400.00 | $1,048.80–$1,920.00 | 50% | Nov 4, 2025 source file |
| Resilience Healthcare West Suburban Medical Center Oak Park, IL · (708) 383-6200 Echo2D Spectr/Color FLO 93306 BCE | $1,215.53 | $3,575.08 | $2,323.80 | 66% | Mar 17, 2025 source file |
| Resilience Healthcare West Suburban Medical Center Oak Park, IL · (708) 383-6200 EKG Charges - EKG -> Echo2D Spectr/Color FLO 93306 | $1,215.53 | $3,575.08 | $2,323.80 | 66% | Mar 17, 2025 source file |
| Advocate Childrens Hospital Park Ridge Park Ridge, IL ECHO/DOPPLER/COLOR W/CONTRAST | $1,250.00 | $2,500.00 | $1,092.50–$2,000.00 | 50% | Nov 4, 2025 source file |
| Advocate Lutheran General Hospital Park Ridge, IL · (847) 723-2210 ECHO/DOPPLER/COLOR W/CONTRAST | $1,250.00 | $2,500.00 | $1,092.50–$2,000.00 | 50% | Nov 4, 2025 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,375.00 | $2,750.00 | $1,201.75–$2,475.00 | 50% | Nov 4, 2025 source file |
| Advocate Sherman Hospital Elgin, IL · (847) 742-9800 ECHO/DOPPLER/COLOR W/CONTRAST | $1,425.00 | $2,850.00 | $1,245.45–$2,565.00 | 50% | Nov 4, 2025 source file |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 ECHO/DOPPLER/COLOR W/O CONTRAST | $1,665.00 | $3,330.00 | $1,455.21–$2,664.00 | 50% | Nov 4, 2025 source file |
| Advocate Condell Medical Center Libertyville, IL · (847) 362-2900 ECHO/DOPPLER/COLOR W/CONTRAST | $1,715.00 | $3,430.00 | $1,498.91–$2,744.00 | 50% | Nov 4, 2025 source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Tte Cmpl Spc&Clr Flow Dplr Echo | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL · (847) 570-2000 Tte W/Doppler Complete | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL · (847) 570-2000 Tte Cmpl Spc&Clr Flow Dplr Echo | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Tte W/Doppler Complete | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Tte Cmpl Spc&Clr Flow Dplr Echo | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Tte W/Doppler Complete | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Tte Cmpl Spc&Clr Flow Dplr Echo | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Tte W/Doppler Complete | $2,591.55 | $3,987.00 | $649.88–$2,133.05 | 35% | — source file |
| Ingalls Memorial Hospital Harvey, IL · (708) 333-2300 Hc Tte W Cntrst,Wo Cntrst W Cntrst,Rltm W 2D Img Doc,Inc Mmod Rec,W Spec Dop Echo,&W Clr Flo Dop Ech | $3,564.00 | $3,564.00 | — | — | Apr 1, 2026 source file |
| Ingalls Memorial Hospital Harvey, IL · (708) 333-2300 Hc Echcrd,Trnsthor, Rltm W Img Doc(2D),Incl Mmod Rec,Comp,W Spct Dop Echcrd,&W Clr Flow Dop Echcrd | $3,564.00 | $3,564.00 | — | — | Apr 1, 2026 source file |
| Uchicago Medicine Northwest Indiana Crown Point, IN · (312) 755-4706 HC TTE W CNTRST,WO CNTRST W CNTRST,RLTM W 2D IMG DOC,INC MMOD REC,W SPEC DOP ECHO,&W CLR FLO DOP ECH | $3,564.00 | $3,564.00 | — | — | Apr 1, 2026 source file |
| Uchicago Medicine Northwest Indiana Crown Point, IN · (312) 755-4706 HC ECHCRD,TRNSTHOR, RLTM W IMG DOC(2D),INCL MMOD REC,COMP,W SPCT DOP ECHCRD,&W CLR FLOW DOP ECHCRD | $3,564.00 | $3,564.00 | — | — | Apr 1, 2026 source file |
| Edward Hospital Naperville, IL · (630) 527-3000 HC TRANSTHORACIC ECHO W CONTRAST DOPPLER AND COLOR | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Edward Hospital Naperville, IL · (630) 527-3000 HC TRANSTHORACIC ECHOCARD COMPLETE W DOPPLER AND COLOR | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Northwest Community Hospital Arlington Heights, IL · (847) 618-1000 Hb Tte W/Doppler Complete | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 HB TTE CMPL SPC&CLR FLOW DPLR ECHO | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Swedish Covenant Health Chicago, IL · (773) 878-8200 HB TTE W/DOPPLER, COMPLETE | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Northshore University Healthsystem - Evanston Hospital Evanston, IL · (847) 570-2000 HB TTE W/DOPPLER, COMPLETE | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Northshore University Healthsystem - Evanston Hospital Evanston, IL · (847) 570-2000 HB TTE CMPL SPC&CLR FLOW DPLR ECHO | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Elmhurst Memorial Hospital Elmhurst, IL · (331) 221-1000 HC TRANSTHORACIC ECHO W CONTRAST DOPPLER AND COLOR | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Elmhurst Memorial Hospital Elmhurst, IL · (331) 221-1000 HC TRANSTHORACIC ECHOCARD COMPLETE W DOPPLER AND COLOR | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL HB TTE W/DOPPLER, COMPLETE | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL HB TTE CMPL SPC&CLR FLOW DPLR ECHO | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Naperville Psychiatric Ventures Naperville, IL HC TRANSTHORACIC ECHOCARD COMPLETE W DOPPLER AND COLOR | $3,756.00 | $3,756.00 | — | — | Apr 1, 2026 source file |
| Ann & Robert H. Lurie Children's Hospital of Chicago Chicago, IL · (312) 227-4000 H ECHO TRANSTHORACIC COMP 2DW SPECTRAL AND COLOR | $4,318.30 | $6,169.00 | $900.00–$5,860.55 | 30% | — source file |
| The University of Chicago Medical Center Chicago, IL · (773) 702-9785 Hc Echcrd,Trnsthor, Rltm W Img Doc(2D),Incl Mmod Rec,Comp,W Spct Dop Echcrd,&W Clr Flow Dop Echcrd | $5,935.00 | $5,935.00 | — | — | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL · (773) 702-9785 Hc Tte W Cntrst,Wo Cntrst W Cntrst,Rltm W 2D Img Doc,Inc Mmod Rec,W Spec Dop Echo,&W Clr Flo Dop Ech | $5,935.00 | $5,935.00 | — | — | Apr 1, 2026 source file |
Inpatient: lowest $696.00, median $1,075.00, highest $5,935.00 — a 8.5× difference within the same market.
As an outpatient, the same code is billed by 49 facilities here, median $1,215.53 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 14 of 18 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 2 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
An echocardiogram is an ultrasound of the heart done with a probe on the chest. It shows the size and pumping strength of the heart and how the valves work, and the Doppler part measures blood flow. It is ordered for heart murmurs, shortness of breath, swelling or known heart disease.
What the price covers
The hospital price usually covers the complete exam done by a sonographer. The cardiologist's interpretation is often billed separately, and a contrast agent, when used, may add a charge.