Surgery and procedures CPT 31295 Washington Outpatient

Balloon sinuplasty, maxillary cost in Washington

In Washington, 8 hospitals publish a cash price for balloon dilation of the maxillary sinus opening, one side: from $3,027.50 to $12,101.60, with a median of $4,090.51. The lowest price is at Kadlec Regional Medical Center (Richland). The highest price is 4.0× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 31295. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$3,027.50Kadlec Regional Medical Center
Median$4,090.51half pay less
Highest$12,101.60in Washington
Lowest saves$1,063.01vs the median

Hospitals in Washington, cheapest first

HospitalCash price List priceFile date
Kadlec Regional Medical Center lowest Richland · Kennewick-Richland, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $3,027.50 $4,325.00 Apr 1, 2026
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Providence Centralia Hospital Centralia · Centralia, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $3,057.60 $5,880.00 Apr 1, 2026
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Providence St Peter Hospital Olympia · Olympia-Lacey-Tumwater, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $3,057.60 $5,880.00 Apr 1, 2026
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Providence St Mary Medical Center Walla Walla · Walla Walla, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $3,437.00 $4,910.00 Apr 1, 2026
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Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA SINUS ENDO W/BALLOON DIL, MAXILLARY SINUS OSTIUM - FAC $4,744.02 $9,302.00 —
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Providence St Joseph Hospital Chewelah · Spokane-Spokane Valley, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $10,800.30 $15,429.00 Apr 1, 2026
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Providence Mount Carmel Hospital Colville · Spokane-Spokane Valley, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $10,827.60 $15,468.00 Apr 1, 2026
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Providence Holy Family Hospital Spokane · Spokane-Spokane Valley, WA HC ED SINUS ENDO W/BALLOON DILATION CDM $12,101.60 $17,288.00 Apr 1, 2026
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Spokane-Spokane Valley, WA 3 $10,800.30 $10,827.60
Centralia, WA 1 $3,057.60 $3,057.60
Kennewick-Richland, WA 1 $3,027.50 $3,027.50
Olympia-Lacey-Tumwater, WA 1 $3,057.60 $3,057.60
Seattle-Tacoma-Bellevue, WA 1 $4,744.02 $4,744.02
Walla Walla, WA 1 $3,437.00 $3,437.00

What it is

In this endoscopic procedure a small balloon is passed through the nose and inflated to widen the natural opening of the maxillary (cheek) sinus. It is used for chronic or repeated sinusitis that does not improve with medicine.

What the price covers

The listed price usually covers the procedure for one side; the balloon device may be listed as a separate supply. The surgeon and any anesthesia are billed separately.

Balloon dilation of the maxillary sinus opening, one side in other states

Median cash price across the state's hospitals.