SelfPayRates
Surgery and procedures CPT 31256 Washington Outpatient

Sinus surgery, maxillary cost in Washington

In Washington, 5 hospitals publish a cash price for endoscopic sinus surgery: opening the maxillary (cheek) sinus: from $295.10 to $45,960.11, with a median of $5,128.56. The lowest price is at Astria Toppenish Hospital (Toppenish). The highest price is 155.7× the lowest.

  • The median here, $5,128.56, is 15% above the US median of $4,453.50.
  • Washington ranks 13th of 26 states by median, cheapest first.
  • Every hospital here lists a cash price below its full list price.

Washington law (RCW 70.170.060) requires hospital charity care: patients with family income up to 300% of the federal poverty level owe nothing at hospitals in large health systems (200% at other hospitals), with 75% and 50% discounts up to 400% (300% at other hospitals). It covers the part of the bill a patient owes, insured or not. Ask the hospital for its charity care application. Other states' laws.

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 Nov 6, 2026. See them on a map

Lowest$295.10Astria Toppenish Hospital
Median$5,128.56half of hospitals charge less
Highest$45,960.11in Washington
Lowest saves$4,833.46vs the median

Hospitals in Washington, cheapest first

HospitalCash priceList priceFile date
Astria Toppenish Hospital lowest Toppenish · Yakima, WA 31256 Nasal/sinus endoscopy, surgical, with maxill $295.10 $454.00 Apr 1, 2026
source file
PeaceHealth Southwest Medical Center Vancouver · Portland-Vancouver-Hillsboro, OR-WA INCISION OF NASAL SINUS USING AN ENDOSCOPE $2,066.45 $3,179.16 Mar 20, 2026
source file
Virginia Mason Medical Center Seattle · Seattle-Tacoma-Bellevue, WA *NASAL ENDOSCOPY,SURGICAL-W/MAXILLARY ANTROSTOMY--FAC $5,128.56 $10,056.00 Jan 1, 2026
source file
Seattle Children's Hospital one side Seattle · Seattle-Tacoma-Bellevue, WA Nasal/Sinus Endoscopy W/Maxillary Antrostomy|RIGHT SIDE $45,553.65 — Mar 31, 2026
source file
Valley Medical Center Renton · Seattle-Tacoma-Bellevue, WA Nasal/Sinus Endoscopy W/Maxillary Antrostomy $45,960.11 $65,657.30 Mar 12, 2026
source file
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
File date When the hospital last updated its price file, as the file says itself. A dash means the file gives no date.

By metro area

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

Metro areaHospitalsLowestMedian
Seattle-Tacoma-Bellevue, WA 3 $5,128.56 $45,553.65
Portland-Vancouver-Hillsboro, OR-WA 1 $2,066.45 $2,066.45
Yakima, WA 1 $295.10 $295.10
Market A metro area (as the Census Bureau defines it) or, outside metro areas, a town. Each links to every hospital price there.
Hospitals How many hospitals publish a cash price for this code here. Each hospital counts once, at its lowest outpatient cash price.
Lowest The lowest cash price among those hospitals.
Median The middle cash price: half of the hospitals charge less, half charge more. One price per hospital. More

What sinus surgery, maxillary is, what the price covers and why prices differ: Sinus surgery, maxillary explained.

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

Median cash price across the state's hospitals.