Surgery and procedures CPT 50590 Inpatient — admitted to hospital

Shock wave lithotripsy cost in Baltimore, MD — inpatient

In Baltimore-Columbia-Towson, MD, 2 hospitals list a cash price for shock-wave lithotripsy to break up kidney stones (from outside the body) as an inpatient: from $3,491.66 to $5,935.21, with a median of $4,713.44. The lowest listed price is at Greater Baltimore Medical Center — $1,221.78 less than the median here. Across Maryland, the median is $4,844.00 at 3 hospitals.

Cash prices at 2 facilities across 2 cities for code 50590, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.

Lowest$3,491.66Greater Baltimore Medical Center
Median$4,713.44half pay less
Highest$5,935.21in this market
Difference1.7×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 Baltimore-Columbia-Towson, MD.

median
Lowest $3,491.66Highest $5,935.21

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Greater Baltimore Medical Center lowest Towson, MD · (443) 849-2000 HC Lithotripsy (Eswl) $3,491.66 $3,562.92 $3,491.66–$3,562.92 2% —
source file
Mercy Medical Center Baltimore, MD · (410) 332-9237 HC FRAGMENT KIDNEY STONE/ ESWL $5,935.21 $6,056.34 $6,056.34–$5,935.21 2% —
source file

Inpatient: lowest $3,491.66, median $4,713.44, highest $5,935.21 — a 1.7× difference within the same market.

As an outpatient, the same code is billed by 2 facilities here, median $4,713.44 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 1 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

Shock-wave lithotripsy breaks kidney or ureter stones into small pieces with sound waves aimed from outside the body, so the pieces can pass in the urine. No cut is made, and it is usually done under sedation or anesthesia.

What the price covers

The listed price usually covers the lithotripsy treatment in the facility. The urologist, anesthesia, X-rays and any stent placement are often billed separately; some hospitals rent the machine from an outside company, which can change how the charge is listed.