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Nasal Endoscopy With View Inside the Cheek Sinus

Colorado 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?

$363

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $363 for this service. The price depends on where it is billed: about $302 from a physician practice, and about $2,291 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$302$200 to $437
FacilityA hospital or hospital-owned outpatient department$2,291$708 to $3,548

How much rates vary

Facilitymedian $2,291 · 10th to 90th $295 to $5,370Professionalmedian $302 · 10th to 90th $158 to $562
$200$500$1K$2K$5K$10Kfacility $2,291professional $302

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
$1,258.93
Median
$3,548.13
Typical High
$9,120.11
Aetna
Setting
Professional
Modifier
None
Typical Low
$158.49
Median
$281.84
Typical High
$436.52
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$2,137.96
Median
$3,311.31
Typical High
$5,370.32
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$169.82
Median
$331.13
Typical High
$575.44
Cigna
Setting
Facility
Modifier
None
Typical Low
$275.42
Median
$478.63
Typical High
$2,187.76
Cigna
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$275.42
Typical High
$467.74
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$158.49
Median
$309.03
Typical High
$467.74
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$128.82
Median
$263.03
Typical High
$478.63
Select Health
Setting
Facility
Modifier
None
Typical Low
$234.42
Median
$331.13
Typical High
$588.84
Select Health
Setting
Professional
Modifier
None
Typical Low
$83.18
Median
$229.09
Typical High
$549.54
United
Setting
Facility
Modifier
None
Typical Low
$239.88
Median
$645.65
Typical High
$1,905.46
United
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$295.12
Typical High
$512.86
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
$79.43
Median
$125.89
Typical High
$162.18
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$31.62
Median
$50.12
Typical High
$64.57
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$120.23
Median
$190.55
Typical High
$245.47
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$23.99
Median
$38.02
Typical High
$48.98
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$15.85
Median
$25.12
Typical High
$32.36

Where Colorado 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.

Colorado· 10th of 51

$363

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.