go back

Unlisted Surgical Procedure On The Sinuses

Michigan 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?

$4,898

Typical facility fee. In Michigan, July 2026.

Insurers have agreed to pay about $4,898 for this service. Most negotiated rates run $3,981 to $11,482.

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 3 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $4,898 · 10th to 90th $479 to $17,378Professionalmedian $3,981 · 10th to 90th $3,981 to $11,482
$100$500$2K$10Kfacility $4,898professional $3,981

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
$478.63
Median
$4,897.79
Typical High
$17,378.01
Aetna
Setting
Professional
Modifier
Global
Typical Low
$3,981.07
Median
$3,981.07
Typical High
$11,481.54
Health Alliance Plan
Setting
Facility
Modifier
Global
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$6,918.31
United
Setting
Facility
Modifier
Global
Typical Low
$186.21
Median
$758.58
Typical High
$1,862.09

Where Michigan 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.

Michigan· 12th of 49

$4,898

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.