Surgery and procedures CPT 31295 Outpatient

Balloon sinuplasty, maxillary cost in Walla Walla, WA

In Walla Walla, WA, 1 hospital lists a cash price for balloon dilation of the maxillary sinus opening, one side: from $3,437.00 to $3,437.00, with a median of $3,437.00. Across Washington, the median is $4,090.51 at 8 hospitals.

Cash prices at 1 facility for code 31295, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$3,437.00Providence St Mary Medical Center
Median$3,437.00half pay less
Highest$3,437.00in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Providence St Mary Medical Center Walla Walla, WA · (509) 522-5900 HC ED SINUS ENDO W/BALLOON DILATION CDM $3,437.00 $4,910.00 — 30% Apr 1, 2026
source file

Outpatient: lowest $3,437.00, median $3,437.00, highest $3,437.00.

As an inpatient, the same code is billed by 1 facility here, median $3,437.00. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.