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Endoscopic Sinus Surgery, Full Ethmoid Clearance

Washington, DC 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?

$427

Typical physician fee. In Washington, DC, July 2026.

Insurers have agreed to pay about $427 for this service. Most negotiated rates run $380 to $4,074.

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.

How much rates vary

Facilitymedian $4,074 · 10th to 90th $380 to $7,762Professionalmedian $380 · 10th to 90th $347 to $676
$500$1K$2K$5K$10K$20Kfacility $4,074professional $380

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
Facility
Modifier
Global
Typical Low
$380.19
Median
$4,073.80
Typical High
$7,762.47
Aetna
Setting
Facility
Modifier
50 · Both sides
Typical Low
$1,096.48
Median
$6,606.93
Typical High
$6,606.93
Aetna
Setting
Professional
Modifier
Global
Typical Low
$346.74
Median
$380.19
Typical High
$380.19
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$426.58
Median
$5,011.87
Typical High
$9,120.11
Cigna
Setting
Professional
Modifier
Global
Typical Low
$323.59
Median
$478.63
Typical High
$812.83
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$295.12
Typical High
$724.44
United
Setting
Facility
Modifier
Global
Typical Low
$3,235.94
Median
$14,454.40
Typical High
$37,153.52
United
Setting
Professional
Modifier
Global
Typical Low
$302.00
Median
$478.63
Typical High
$870.96

Where Washington, DC sits

The same service costs 15.8 times more in Wyoming 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.

Washington, DC· 45th of 51

$427

WY $6,166MD $389

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.