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Unlisted Surgical Procedure On The Sinuses

Washington rates for HCPCS 31299

Covers an operation on the paranasal sinuses — the air-filled spaces in the bones around the nose and eyes — that has no standard named entry of its own. It is used when the surgery performed does not match any established named sinus procedure, and the surgeon provides a written description of what was done.

Rates data updated July 2026.

How much does Unlisted Surgical Procedure On The Sinuses cost?

$832

Typical negotiated rate. In Washington, July 2026.

Insurers have agreed to pay about $832 for this service. The price depends on where it is billed: about $50.12 from a physician practice, and about $891 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$50.12$50.12 to $64.57
FacilityA hospital or hospital-owned outpatient department$891$617 to $6,457

How much rates vary

Facilitymedian $891 · 10th to 90th $214 to $18,621Professionalmedian $50 · 10th to 90th $45 to $3,802
$50$200$1K$5K$20Kfacility $891professional $50

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
$588.84
Median
$6,456.54
Typical High
$20,892.96
Aetna
Setting
Professional
Modifier
Global
Typical Low
$1,412.54
Median
$3,801.89
Typical High
$28,183.83
Asuris Northwest Health
Setting
Facility
Modifier
Global
Typical Low
$501.19
Median
$741.31
Typical High
$1,348.96
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$112.20
Median
$112.20
Typical High
$112.20
Kaiser Permanente
Setting
Facility
Modifier
Global
Typical Low
$213.80
Median
$676.08
Typical High
$977.24
Molina
Setting
Professional
Modifier
Global
Typical Low
$33.11
Median
$50.12
Typical High
$60.26
Pacific Source
Setting
Facility
Modifier
Global
Typical Low
$234.42
Median
$234.42
Typical High
$234.42
Regence BlueShield
Setting
Facility
Modifier
Global
Typical Low
$446.68
Median
$707.95
Typical High
$1,318.26
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$112.20
Median
$112.20
Typical High
$112.20
United
Setting
Facility
Modifier
Global
Typical Low
$218.78
Median
$870.96
Typical High
$1,905.46

Where Washington sits

The same service costs 416.9 times more in Wisconsin than in Hawaii. 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· 38th of 49

$832

WI $12,303HI $29.51

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.