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Unlisted Surgical Procedure On The Sinuses

Massachusetts 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?

$3,715

Typical facility fee. In Massachusetts, July 2026.

Insurers have agreed to pay about $3,715 for this service. Most negotiated rates run $1,318 to $8,710.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $2,818 · 10th to 90th $457 to $6,918Professionalmedian $7,762 · 10th to 90th $398 to $14,125
$0.1$1$10$100$1K$10Kfacility $2,818professional $7,762

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
$2,691.53
Median
$3,715.35
Typical High
$8,511.38
Aetna
Setting
Professional
Modifier
Global
Typical Low
$398.11
Median
$7,762.47
Typical High
$14,125.38
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$0.03
Median
$630.96
Typical High
$2,818.38
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$302.00
Median
$3,311.31
Typical High
$8,511.38
Harvard Pilgrim
Setting
Facility
Modifier
Global
Typical Low
$741.31
Median
$2,041.74
Typical High
$3,467.37
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$0.03
Median
$630.96
Typical High
$2,818.38
United
Setting
Facility
Modifier
Global
Typical Low
$501.19
Median
$1,819.70
Typical High
$2,754.23
United
Setting
Professional
Modifier
Global
Typical Low
$53.70
Median
$53.70
Typical High
$53.70

Where Massachusetts 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.

Massachusetts· 24th of 49

$3,715

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.