Total knee replacement in Boise City, ID
In Boise City, ID, 4 hospitals list a cash price for Total knee replacement: from $2,821.00 to $15,889.00, with a median of $15,889.00. The lowest listed price is at Saint Alphonsus Regional Medical Center - Boise.
Cash prices at 4 facilities across 2 cities for code 27447, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and Mar 31, 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 Boise City, ID.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Saint Alphonsus Regional Medical Center - Boise lowest Boise, ID PR Arthroplasty Knee Condyle&Plateau Med/Lat Cpts W/WO Patella Resurfacing | $2,821.00 | $2,821.00 | — | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa Nampa, ID PR Arthroplasty Knee Condyle&Plateau Med/Lat Cpts W/WO Patella Resurfacing | $2,821.00 | $2,821.00 | — | Mar 31, 2026 source file |
| St Luke's Nampa Medical Center, LTD Nampa, ID | $15,889.00 | $15,889.00 | — | — source file |
| St Luke's Nampa Medical Center, LTD Nampa, ID | $15,889.00 | $15,889.00 | — | — source file |
| St Luke's Regional Medical Center, LTD Boise, ID | $15,889.00 | $15,889.00 | — | — source file |
| St Luke's Regional Medical Center, LTD Boise, ID | $15,889.00 | $15,889.00 | — | — source file |
| Saint Alphonsus Regional Medical Center - Boise one side Boise, ID HC Arthro Knee/Condyle/Plateau Med/Lat W/or W/O Patella Resurf (Tka) Lt(Rest Method II CAH) | $24,899.70 | — | — | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Nampa one side Nampa, ID HC Arthro Knee/Condyle/Plateau Med/Lat W/or W/O Patella Resurf (Tka) Lt(Rest Method II CAH) | $29,591.79 | — | — | Mar 31, 2026 source file |
Outpatient: lowest $2,821.00, median $15,889.00, highest $15,889.00 — a 5.6× difference within the same market.
One side of the body : lowest $24,899.70, median $27,245.75, highest $29,591.79 — a 1.2× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $15,889.00. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
What it is
A total knee replacement removes worn cartilage and bone from the knee and replaces the joint surfaces with metal and plastic parts. It is most often done for severe knee arthritis that limits walking and daily life.
What the price covers
The hospital price usually covers the operating room, implants and hospital stay. The surgeon, anesthesiologist and outpatient physical therapy are often billed separately unless the price is a bundled package.