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Nasal Endoscopy With View Inside the Cheek Sinus

Illinois rates for HCPCS 31233

A thin lighted telescope is passed into the nose to inspect the nasal passages, and a small opening is made so the inside of the sinus within the cheek can be seen directly. This is an examination: the surgeon looks and may take a sample, but does not carry out a larger repair at the same time.

Rates data updated October 2026.

How much does Nasal Endoscopy With View Inside the Cheek Sinus cost?

$275

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $275 for this service. The price depends on where it is billed: about $251 from a physician practice, and about $513 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$251$166 to $347
FacilityA hospital or hospital-owned outpatient department$513$347 to $1,122

How much rates vary

Facilitymedian $513 · 10th to 90th $200 to $3,090Professionalmedian $251 · 10th to 90th $145 to $479
$50$200$1K$5Kfacility $513professional $251

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$309.03
Median
$1,819.70
Typical High
$5,888.44
Aetna
Setting
Professional
Modifier
None
Typical Low
$134.90
Median
$239.88
Typical High
$346.74
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$323.59
Median
$489.78
Typical High
$1,778.28
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$213.80
Median
$234.42
Typical High
$512.86
Cigna
Setting
Facility
Modifier
None
Typical Low
$302.00
Median
$436.52
Typical High
$1,258.93
Cigna
Setting
Professional
Modifier
None
Typical Low
$154.88
Median
$218.78
Typical High
$426.58
Hally Health
Setting
Professional
Modifier
None
Typical Low
$169.82
Median
$346.74
Typical High
$575.44
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$158.49
Median
$169.82
Typical High
$363.08
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$33.11
United
Setting
Facility
Modifier
None
Typical Low
$141.25
Median
$501.19
Typical High
$1,819.70
United
Setting
Professional
Modifier
None
Typical Low
$147.91
Median
$269.15
Typical High
$501.19
5 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$66.07
Median
$120.23
Typical High
$154.88
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$26.30
Median
$47.86
Typical High
$61.66
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$100.00
Median
$177.83
Typical High
$229.09
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$19.95
Median
$36.31
Typical High
$45.71
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$13.18
Median
$23.99
Typical High
$30.90

Where Illinois sits

The same service costs 3.2 times more in Wisconsin than in Kentucky. 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.

Illinois· 29th of 51

$275

WI $646KY $204

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.