Surgery and procedures CPT 31256 Washington Outpatient

Sinus surgery, maxillary cost in Washington

In Washington, 4 hospitals publish a cash price for endoscopic sinus surgery: opening the maxillary (cheek) sinus: from $330.20 to $5,128.56, with a median of $1,410.73. The lowest price is at Legacy Salmon Creek Medical Center (Vancouver). The highest price is 15.5× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 31256. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$330.20Legacy Salmon Creek Medical Center
Median$1,410.73half pay less
Highest$5,128.56in Washington
Lowest saves$1,080.53vs the median

Hospitals in Washington, cheapest first

HospitalCash price List priceFile date
Legacy Salmon Creek Medical Center lowest Vancouver · Portland-Vancouver-Hillsboro, OR-WA PR NASAL/SINUS ENDOSCOPY W/MAXILLARY ANTROSTOMY $330.20 $508.00 Apr 1, 2026
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Seattle Children's Hospital Seattle · Seattle-Tacoma-Bellevue, WA Nasal/Sinus Endoscopy W/Maxillary Antrostomy $755.00 $755.00 —
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PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA INCISION OF NASAL SINUS USING AN ENDOSCOPE $2,066.45 $3,179.16 —
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Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA *NASAL ENDOSCOPY,SURGICAL-W/MAXILLARY ANTROSTOMY--FAC $5,128.56 $10,056.00 —
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By metro area

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

Metro areaHospitals LowestMedian
Portland-Vancouver-Hillsboro, OR-WA 2 $330.20 $1,198.32
Seattle-Tacoma-Bellevue, WA 2 $755.00 $2,941.78

What it is

This code covers endoscopic surgery through the nose to widen the natural opening of the maxillary sinus behind the cheek.

What the price covers

The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.

Endoscopic sinus surgery: opening the maxillary (cheek) sinus in other states

Median cash price across the state's hospitals.