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Surgical Opening of the Sphenoid Sinus

South Dakota rates for HCPCS 31051

Surgery that opens the sphenoid sinus, an air space set deep behind the nose beneath the base of the brain, so that it can be drained and diseased lining cleared out. It is used for infection or other disease in that sinus which has not settled with medicine.

Rates data updated July 2026.

How much does Surgical Opening of the Sphenoid Sinus cost?

$2,834

Typical total for the visit. In South Dakota, July 2026.

Insurers have agreed to pay about $2,834 for this procedure. That total is two separate charges: $1,175 to the doctor who performs it, and $1,660 to the hospital or surgery center where it takes place. Done somewhere without a facility charge, you pay only the first.

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 7 insurance carriers under federal price transparency rules.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$1,175$741 to $1,622
Facility feeThe hospital or surgery center$1,660$871 to $4,365

How much rates vary

Facilitymedian $1,660 · 10th to 90th $692 to $4,467Professionalmedian $1,175 · 10th to 90th $603 to $2,042
$1K$2K$5K$10Kfacility $1,660professional $1,175

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$660.69
Median
$4,365.16
Typical High
$4,365.16
Aetna
Setting
Professional
Modifier
Global
Typical Low
$602.56
Median
$602.56
Typical High
$741.31
Cigna
Setting
Professional
Modifier
Global
Typical Low
$1,479.11
Median
$1,621.81
Typical High
$2,041.74
Medica
Setting
Facility
Modifier
Global
Typical Low
$812.83
Median
$1,096.48
Typical High
$1,737.80
Medica
Setting
Professional
Modifier
Global
Typical Low
$602.56
Median
$1,202.26
Typical High
$6,606.93
Midlands
Setting
Professional
Modifier
Global
Typical Low
$1,318.26
Median
$1,479.11
Typical High
$1,513.56
Midlands
Setting
Professional
Modifier
Global
Typical Low
$1,318.26
Median
$1,318.26
Typical High
$1,318.26
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$741.31
Median
$1,122.02
Typical High
$1,348.96
United
Setting
Facility
Modifier
Global
Typical Low
$4,466.84
Median
$4,466.84
Typical High
$12,022.64
United
Setting
Professional
Modifier
Global
Typical Low
$602.56
Median
$1,318.26
Typical High
$1,862.09
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$1,258.93
Median
$1,479.11
Typical High
$1,548.82

Where South Dakota sits

The same service costs 19.4 times more in Indiana than in Maryland. 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.

Physician feeFacility fee

South Dakota· 44th of 50

$2,834

$1,175 physician + $1,660 facility

IN $15,483MD $797

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.