Hip or knee replacement (inpatient stay) cost in WA
What a hip or knee replacement (inpatient stay) costs at WA hospitals — and the fair price to aim for.
Typical commercial prices here are +48% above the fair benchmark (1.48×) even after accounting for local nurse/doctor wages and patient complexity.
Balances commercial hospital prices against CMS clinical safety, infection control, and patient experience.
Loss-Leader / Captive Ancillary Cross-Subsidizer
Prosser Memorial Hospital prices routine shoppable procedures near 0.9× Medicare (p50 0.90×) while skewing captive emergency, lab, and upper-quartile codes to 1.6× Medicare (p75 1.62×, +80% upper-tail jump). Patients scheduling elective outpatient care can capture competitive rates, but emergency and ancillary bills require strict line-item auditing.
Where They're Good (Patient & Payer Edge)
- Bottom-quartile procedures (Q25) price at 0.28× the peer BaseRate benchmark
- Self-pay cash beats commercial insurance on 69% of shoppable procedures (99/100 Cash Honesty)
- CMS clinical safety score (74/100 safety score) with 85% patient recommendation
- Binding Good Faith Estimate rights under 45 CFR § 149.610 protect self-pay patients before scheduling
Where You Can Get Burned (Markup Traps)
- Outpatient surgery & OR suites carry a 1.1× markup over Medicare rates
- Captive ER (1.3×) & laboratory (2.9×) services average 1.78× higher multiples than routine shoppable care (0.9×)
- Upper-quartile procedures (Q75 1.62×) jump +80% above the median procedure ratio (Q50 0.90×)
- Consolidated metro market (HHI 5,021) limits in-network hospital competition (Highly Concentrated Monopoly (>2,500))
Pre-scheduled outpatient procedures where patients can comparison-shop.
Emergency, inpatient DRG, lab, and specialty drug lines billed after admission.
Detects median-gaming when upper-quartile codes spike above the p50 median.
In general, WA hospitals charge about the fair price for this. how we calculate the BaseRate →
Compared with the rest of the country, WA’s fair BaseRate ($29,594) is above the national fair price of $19,450.
Cheapest WA hospitals for a hip or knee replacement (inpatient stay)
- Prosser Memorial Hospital · Prosser $11,313
- Island Hospital · Anacortes $15,159
- Trios Health · Kennewick $15,607
- Valley Medical Center · Renton $17,979
- Providence St Mary Medical Center · Walla Walla $18,017
- Peacehealth St John Medical Center · Longview $18,610
- Providence Centralia Hospital · Centralia $18,809
- Kadlec Regional Medical Center · Richland $19,278
- Shriners Hospital for Children · Spokane $19,823
- Legacy Salmon Creek Medical Center · Vancouver $20,671
- St Joseph Hospital · Bellingham $20,894
- Multicare Valley Hospital · Spokane Valley $24,852
- Highline Medical Center · Burien $25,675
- Providence Holy Family Hospital · Spokane $26,680
- Deaconess Medical Center · Spokane $27,439
Audit a Bill or Quote at WA Hospital Benchmark (Zero PHI Required)
Statutory 501(r) AGB Cap Limits Bill to $25,042
At 274% FPL (201%–400% FPL tier), 26 U.S.C. § 501(r)(5) caps FAP-eligible bills at Amounts Generally Billed (36.3% of gross = $25,042).
Compare Prompt-Pay Cash Rate Against Remaining Deductible
Ask WA Hospital Benchmark's billing desk for their written 45 CFR § 180 discounted self-pay cash price and Good Faith Estimate under the No Surprises Act.
Negotiate Toward $29,594 Fair BaseRate ($17,165 Medicare)
Your bill ($68,986) is $39,392 above the denoised Fair BaseRate ($29,594) and 4.0× the $17,165 Medicare rate.
How to Pay Less Nearby: Freestanding Centers, Insurer Leverage & Outpatient Savings
Inpatient MS-DRG vs. Outpatient CPT Care-Setting Savings
Clinical Scope Note:Inpatient MS-DRG reflects a multi-day hospital admission (room, nursing, higher clinical acuity); outpatient CPT reflects the outpatient facility fee for clinically eligible low-acuity patients and excludes separate surgeon and anesthesia professional fees.