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Unlisted Surgical Procedure On The Sinuses

Mississippi 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?

$646

Typical negotiated rate. In Mississippi, July 2026.

Insurers have agreed to pay about $646 for this service. The price depends on where it is billed: about $550 from a physician practice, and about $759 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 5 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$550$39.81 to $550
FacilityA hospital or hospital-owned outpatient department$759$457 to $1,000

How much rates vary

Facilitymedian $759 · 10th to 90th $295 to $1,820Professionalmedian $550 · 10th to 90th $21 to $550
$20$100$500$2K$10Kfacility $759professional $550

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
$758.58
Median
$1,000.00
Typical High
$1,995.26
BCBS
Setting
Professional
Modifier
Global
Typical Low
$549.54
Median
$549.54
Typical High
$549.54
Cigna
Setting
Facility
Modifier
Global
Typical Low
$223.87
Median
$223.87
Typical High
$1,000.00
Cigna
Setting
Professional
Modifier
Global
Typical Low
$549.54
Median
$549.54
Typical High
$549.54
Molina
Setting
Professional
Modifier
Global
Typical Low
$21.38
Median
$25.12
Typical High
$39.81
United
Setting
Facility
Modifier
Global
Typical Low
$269.15
Median
$537.03
Typical High
$1,479.11

Where Mississippi 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.

Mississippi· 39th of 49

$646

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.