Knee joint injection cost in Washington

Prices at 37 hospitals in Washington, from their machine-readable files. Here the median cash price is $457 — 4% below the US median ($475), roughly 6.6× the Medicare rate.

Lowest cash prices

HospitalLocationCashInsurerCMS ratingER waitReadmit
Prosser Memorial Hospital Prosser, WA $116 $67 ★ 3/5 112 min —
Providence Mount Carmel Hospital Colville, WA $123 — ★ 3/5 150 min —
Cascade Medical Center Leavenworth, WA $132 $153 — — —
Newport Community Hospital Newport, WA $153 $53 — — —
Astria Sunnyside Hospital Sunnyside, WA $190 $129 ★ 2/5 122 min —
Confluence Health Hospital Wenatchee, WA $209 $89 ★ 3/5 143 min —
Dayton General Hospital Dayton, WA $275 $333 — 105 min —
Willapa Harbor Hospital South Bend, WA $277 — — 130 min —
East Adams Rural Hospital Ritzville, WA $289 $360 — — —
Astria Toppenish Hospital Toppenish, WA $331 $302 — 150 min —
Columbia Basin Hospital Ephrata, WA $337 $87 — 132 min —
Legacy Salmon Creek Medical Center Vancouver, WA $431 — ★ 4/5 260 min —
Olympic Medical Center Port Angeles, WA $442 $376 ★ 3/5 251 min —
Deaconess Medical Center Spokane, WA $447 $540 ★ 3/5 180 min —
Multicare Valley Hospital Spokane Valley, WA $447 $553 ★ 5/5 190 min —
Virginia Mason Medical Center Seattle, WA $457 $322 ★ 5/5 206 min —
Island Hospital Anacortes, WA $498 $374 ★ 4/5 204 min —
Harrison Medical Center Silverdale, WA $511 $287 ★ 4/5 205 min —
Kaiser Permanente Central Hospital Seattle, WA $535 $477 — — —
Peacehealth United General Medical Center Sedro Woolley, WA $566 — ★ 3/5 142 min —
Multicare Auburn Medical Center Auburn, WA $712 $927 ★ 2/5 217 min —
Multicare Good Samaritan Hospital Puyallup, WA $712 $927 ★ 2/5 133 min —
Tacoma General Allenmore Hospital Tacoma, WA $712 $882 ★ 2/5 208 min —
Multicare Covington Medical Center Covington, WA $712 $927 ★ 3/5 177 min —
Mary Bridge Children's Hospital Tacoma, WA $712 $1,251 — — —

CMS rating = overall hospital star rating (1–5); ER wait = median minutes in the emergency department; Readmit = 30-day readmission rate (lower is better) — all from Medicare’s Care Compare; “—” = not reported. Data last updated October 2026. Prices from hospitals’ machine-readable files (45 CFR §180); Medicare benchmark from CMS PFS/CLFS/IPPS. Prices below 15% of the median are excluded as likely partial or mis-coded charges. Estimates — confirm with the hospital. Report an incorrect price.

Price comparison (median)

Chargemaster (list price)
$730
Cash / self-pay
$457
Insurer-negotiated
$401
Medicare pays
$69
$153$1,095
Median cash $457  ·  Medicare $69  ·  bar = typical cash range (10th–90th percentile)
Is this a fair price?
1× Medicarefair ≈2×5×+

Typical cash price here is $457 — about 6.6× the Medicare rate ($69). High vs Medicare. A fair cash price is usually within ~2× Medicare ($138).

💡 Asking for the cash price instead of the $730 list price could save about $273 (37%).

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Rough estimate from this procedure’s median insurer-negotiated rate. Your actual cost depends on your plan — confirm with your insurer.

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Knee joint injection cost in other states

All Knee joint injection prices (national) → · All hospitals in Washington →