Sinus surgery, full ethmoid cost in Minneapolis, MN — inpatient
In Minneapolis-St. Paul-Bloomington, MN-WI, 3 hospitals list a cash price for endoscopic sinus surgery: full ethmoid sinus opening as an inpatient: from $2,608.71 to $7,815.90, with a median of $5,154.50. The lowest listed price is at Fairview Maple Grove Surgery Center — $2,545.79 less than the median here. Across Minnesota, the median is $2,655.31 at 6 hospitals.
Cash prices at 3 facilities across 3 cities for code 31255, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Feb 6, 2026 and May 18, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Minneapolis-St. Paul-Bloomington, MN-WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Fairview Maple Grove Surgery Center lowest Maple Grove, MN HC NASAL SCOPY,REMV TOTL ETHMOID | $2,608.71 | $6,505.50 | — | 60% | May 18, 2026 source file |
| Methodist Hospital St. Louis Park, MN Nasal/Sinus Endo; W/Tot Ethmoect | $5,154.50 | $19,825.00 | $1,387.44–$14,868.75 | 74% | — source file |
| M Health Fairview University of Mn Medical Center Minneapolis, MN · (612) 624-1765 HC NASAL SCOPY,REMV TOTL ETHMOID | $7,815.90 | $19,491.00 | $10,154.81–$17,541.90 | 60% | Feb 6, 2026 source file |
Inpatient: lowest $2,608.71, median $5,154.50, highest $7,815.90 — a 3.0× difference within the same market.
As an outpatient, the same code is billed by 4 facilities here, median $3,881.61 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.