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Frontal Sinus Surgery With Bone Flap, Brow Incision

Montana rates for HCPCS 31086

An operation on the frontal sinus, the air space in the bone above the eyes, carried out through an incision at the brow rather than through the nostril. A section of the sinus wall is lifted as a hinged flap of bone so the surgeon can clear diseased lining and re-establish drainage, then the bone is laid back into place and the sinus is left open to drain.

Rates data updated July 2026.

How much does Frontal Sinus Surgery With Bone Flap, Brow Incision cost?

$2,042

Typical negotiated rate. In Montana, July 2026.

Insurers have agreed to pay about $2,042 for this service. The price depends on where it is billed: about $2,042 from a physician practice, and about $2,042 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 5 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$2,042$1,318 to $2,291
FacilityA hospital or hospital-owned outpatient department$2,042$1,905 to $2,138

How much rates vary

Facilitymedian $2,042 · 10th to 90th $1,862 to $2,291Professionalmedian $2,042 · 10th to 90th $1,148 to $6,607
$100$200$500$1K$2K$5K$10Kfacility $2,042professional $2,042

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$1,096.48
Median
$1,318.26
Typical High
$6,606.93
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,862.09
Median
$1,862.09
Typical High
$1,862.09
Cigna
Setting
Professional
Modifier
Global
Typical Low
$1,202.26
Median
$1,862.09
Typical High
$1,862.09
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$1,905.46
Median
$2,041.74
Typical High
$2,290.87
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$1,905.46
Median
$2,041.74
Typical High
$2,290.87
Providence
Setting
Facility
Modifier
Global
Typical Low
$1,047.13
Median
$1,698.24
Typical High
$2,089.30
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$1,230.27
Typical High
$2,630.27
United
Setting
Facility
Modifier
Global
Typical Low
$1,348.96
Median
$1,348.96
Typical High
$12,022.64
United
Setting
Professional
Modifier
Global
Typical Low
$1,479.11
Median
$1,862.09
Typical High
$2,818.38

Where Montana sits

The same service costs 5.2 times more in California than in Delaware. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Montana· 16th of 51

$2,042

CA $6,026DE $1,148

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.