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Sphenoid Sinus Surgery (Sinusotomy)

South Dakota rates for HCPCS 31050

Opens the sphenoid sinus, an air pocket in the skull sitting deep behind the nose, so that trapped fluid or infection can drain. A small piece of the sinus lining may also be taken at the same time and sent for laboratory examination.

Rates data updated July 2026.

How much does Sphenoid Sinus Surgery (Sinusotomy) cost?

$851

Typical negotiated rate. In South Dakota, July 2026.

Insurers have agreed to pay about $851 for this service. The price depends on where it is billed: about $832 from a physician practice, and about $1,288 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 7 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$832$562 to $1,175
FacilityA hospital or hospital-owned outpatient department$1,288$759 to $4,365

How much rates vary

Facilitymedian $1,288 · 10th to 90th $525 to $4,467Professionalmedian $832 · 10th to 90th $447 to $1,514
$500$1K$2K$5K$10Kfacility $1,288professional $832

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
$501.19
Median
$3,090.30
Typical High
$4,365.16
Aetna
Setting
Professional
Modifier
Global
Typical Low
$446.68
Median
$501.19
Typical High
$794.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$1,122.02
Median
$1,202.26
Typical High
$1,513.56
Medica
Setting
Facility
Modifier
Global
Typical Low
$645.65
Median
$831.76
Typical High
$1,288.25
Medica
Setting
Professional
Modifier
Global
Typical Low
$457.09
Median
$891.25
Typical High
$6,760.83
Midlands
Setting
Professional
Modifier
Global
Typical Low
$1,000.00
Median
$1,122.02
Typical High
$1,122.02
Midlands
Setting
Professional
Modifier
Global
Typical Low
$1,000.00
Median
$1,000.00
Typical High
$1,000.00
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$562.34
Median
$851.14
Typical High
$1,000.00
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
$457.09
Median
$977.24
Typical High
$1,380.38
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$954.99
Median
$1,122.02
Typical High
$1,174.90

Where South Dakota sits

The same service costs 8.7 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.

South Dakota· 24th of 51

$851

CA $4,365DE $501

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.