Cardiac catheterization cost in St. Louis, MO
In St. Louis, MO-IL, 6 hospitals list a cash price for cardiac catheterization with coronary angiogram: from $5,370.30 to $29,557.70, with a median of $8,833.83. The lowest listed price is at Mercy Hospital South — $3,463.53 less than the median here. Across Missouri, the median is $9,004.45 at 13 hospitals.
Cash prices at 6 facilities across 5 cities for code 93458, as an outpatient — the setting a self-pay patient normally buys. 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 |
|---|---|---|---|---|---|
| Mercy Hospital South lowest Saint Louis, MO · (314) 525-1000 Lt Heart Artery/Ventricle Angio | $5,370.30 | $8,262.00 | $2,741.93–$7,159.00 | 35% | — source file |
| St Elizabeths Hospital of the Hospital Sisters of the Third Order of St Francis O'Fallon, IL HC CORONARY ANGIO WITH LV 93458 | $8,011.44 | $11,127.00 | $2,090.90–$11,127.00 | 28% | — source file |
| Mercy Hospital St Louis Saint Louis, MO Lt Heart Artery/Ventricle Angio | $8,663.20 | $13,328.00 | $2,741.93–$7,159.00 | 35% | — source file |
| Mercy Hospital Washington Washington, MO Lt Heart Artery/Ventricle Angio | $9,004.45 | $13,853.00 | $2,741.93–$6,592.00 | 35% | — source file |
| Mercy Hospital Jefferson Festus, MO Lt Heart Artery/Ventricle Angio | $9,786.40 | $15,056.00 | $2,741.93–$6,592.00 | 35% | — 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 |
Outpatient: lowest $5,370.30, median $8,833.83, highest $29,557.70 — a 5.5× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $18,784.57. 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 3 of 6 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.