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Unlisted Surgical Procedure On The Sinuses

Maryland 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?

$5,495

Typical facility fee. In Maryland, July 2026.

Insurers have agreed to pay about $5,495 for this service. Most negotiated rates run $2,884 to $8,128.

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 $50 · 10th to 90th $25 to $5,888Professionalmedian $6,607 · 10th to 90th $2,884 to $21,380
$50$200$1K$5K$20Kfacility $50professional $6,607

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
$24.55
Median
$50.12
Typical High
$5,888.44
Aetna
Setting
Professional
Modifier
Global
Typical Low
$2,884.03
Median
$6,606.93
Typical High
$21,379.62
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$2,137.96
Median
$2,137.96
Typical High
$2,137.96
United
Setting
Facility
Modifier
Global
Typical Low
$128.82
Median
$128.82
Typical High
$128.82

Where Maryland 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.

Maryland· 10th of 49

$5,495

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.