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Endoscopic Sinus Surgery, Full Ethmoid Clearance

South Dakota rates for HCPCS 31255

This is a minimally invasive procedure performed with a thin lighted scope inserted through the nostril to open and clear the small air-filled spaces between the eyes, known as the ethmoid sinuses. It clears the full depth of these sinus spaces, front and back, rather than just the forward portion. It is generally used for chronic sinus infections or blockages that have not responded to medication.

Rates data updated July 2026.

How much does Endoscopic Sinus Surgery, Full Ethmoid Clearance cost?

$1,723

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

Insurers have agreed to pay about $1,723 for this procedure. That total is two separate charges: $676 to the doctor who performs it, and $1,047 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 8 insurance carriers under federal price transparency rules.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$676$407 to $933
Facility feeThe hospital or surgery center$1,047$562 to $4,898

How much rates vary

Facilitymedian $1,047 · 10th to 90th $324 to $5,248Professionalmedian $676 · 10th to 90th $331 to $8,128
$500$1K$2K$5K$10Kfacility $1,047professional $676

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
$323.59
Median
$4,365.16
Typical High
$4,897.79
Aetna
Setting
Facility
Modifier
50 · Both sides
Typical Low
$3,715.35
Median
$14,125.38
Typical High
$14,125.38
Aetna
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$426.58
Typical High
$18,620.87
Aetna
Setting
Professional
Modifier
50 · Both sides
Typical Low
$446.68
Median
$1,445.44
Typical High
$18,620.87
Avera
Setting
Facility
Modifier
Global
Typical Low
$309.03
Median
$630.96
Typical High
$5,248.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$707.95
Median
$724.44
Typical High
$912.01
Medica
Setting
Facility
Modifier
Global
Typical Low
$389.05
Median
$741.31
Typical High
$1,071.52
Medica
Setting
Professional
Modifier
Global
Typical Low
$295.12
Median
$575.44
Typical High
$6,165.95
Midlands
Setting
Professional
Modifier
Global
Typical Low
$676.08
Median
$707.95
Typical High
$741.31
Midlands
Setting
Professional
Modifier
Global
Typical Low
$676.08
Median
$676.08
Typical High
$676.08
Sanford Health Plan
Setting
Professional
Modifier
Global
Typical Low
$436.52
Median
$588.84
Typical High
$691.83
United
Setting
Facility
Modifier
Global
Typical Low
$3,162.28
Median
$3,162.28
Typical High
$14,454.40
United
Setting
Professional
Modifier
Global
Typical Low
$407.38
Median
$676.08
Typical High
$891.25
Wellmark
Setting
Professional
Modifier
Global
Typical Low
$549.54
Median
$645.65
Typical High
$660.69

Where South Dakota sits

The same service costs 25.0 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· 45th of 51

$1,723

$676 physician + $1,047 facility

IN $13,916MD $557

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.