Cardiac catheterization cost in St. Louis, MO — inpatient
In St. Louis, MO-IL, 2 hospitals list a cash price for cardiac catheterization with coronary angiogram as an inpatient: from $8,011.44 to $29,557.70, with a median of $18,784.57. The lowest listed price is at St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis — $10,773.13 less than the median here. Across Missouri, the median is $9,004.45 at 13 hospitals.
Cash prices at 2 facilities across 2 cities for code 93458, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in St. Louis, MO-IL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis lowest O'Fallon, IL HC CORONARY ANGIO WITH LV 93458 | $8,011.44 | $11,127.00 | $2,090.90–$11,127.00 | 28% | — source file |
| Gateway Regional Medical Center Granite City, IL · (618) 798-3000 CC-L HRT ARTERY-VENT | $29,557.70 | $49,262.84 | $49,262.84 | 40% | — source file |
Inpatient: lowest $8,011.44, median $18,784.57, highest $29,557.70 — a 3.7× difference within the same market.
As an outpatient, the same code is billed by 6 facilities here, median $8,833.83 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 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
This test threads a catheter to the heart to take X-ray pictures of the coronary arteries with dye.
What the price covers
The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.