Surgery and procedures CPT 31255 Montana Outpatient

Sinus surgery, full ethmoid cost in Montana

In Montana, 3 hospitals publish a cash price for endoscopic sinus surgery: full ethmoid sinus opening: from $1,093.51 to $1,095.20, with a median of $1,095.20. The lowest price is at Sidney Health Center (Sidney).

Outpatient cash prices, one line per hospital — its lowest listed price for code 31255. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 28, 2026. See them on a map

Lowest$1,093.51Sidney Health Center
Median$1,095.20half pay less
Highest$1,095.20in Montana
Lowest saves$1.69vs the median

Hospitals in Montana, cheapest first

HospitalCash price List priceFile date
Sidney Health Center lowest Sidney · Sidney, MT NASAL SINUS ENDOSCOPY SURGICAL WETHMOIDECTOMY TTL(ANTERIOR & POSTR) $1,093.51 $1,766.00 Apr 30, 2026
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Big Sky Medical Center Big Sky · Bozeman, MT PR NASAL/SINUS NDSC W/TOTAL ETHOIDECTOMY $1,095.20 $1,369.00 Jan 15, 2026
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Deaconess Regional Medical Center Bozeman · Bozeman, MT PR NASAL/SINUS NDSC W/TOTAL ETHOIDECTOMY $1,095.20 $1,369.00 Jan 16, 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
Bozeman, MT 2 $1,095.20 $1,095.20
Sidney, MT 1 $1,093.51 $1,093.51

What it is

This code covers endoscopic surgery through the nose to open all of the ethmoid sinuses, between the eyes.

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: full ethmoid sinus opening in other states

Median cash price across the state's hospitals.