go back

Diagnostic Scope Exam Of The Sphenoid Sinus

Montana rates for HCPCS 31235

A thin scope passed through the nose to look inside the sphenoid sinus, the air space behind the nasal cavity. It is used to see what is going on, not to treat anything. Entry is through the sinus opening or a small puncture.

Rates data updated October 2026.

How much does Diagnostic Scope Exam Of The Sphenoid Sinus cost?

$302

Typical negotiated rate. In Montana, October 2026.

Insurers have agreed to pay about $302 for this service. The price depends on where it is billed: about $295 from a physician practice, and about $437 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$295$224 to $490
FacilityA hospital or hospital-owned outpatient department$437$240 to $537

How much rates vary

Facilitymedian $437 · 10th to 90th $234 to $813Professionalmedian $295 · 10th to 90th $151 to $501
$100$200$500$1K$2Kfacility $437professional $295

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
Professional
Modifier
None
Typical Low
$173.78
Median
$346.74
Typical High
$758.58
Cigna
Setting
Facility
Modifier
None
Typical Low
$251.19
Median
$1,348.96
Typical High
$3,890.45
Cigna
Setting
Professional
Modifier
None
Typical Low
$251.19
Median
$269.15
Typical High
$489.78
MountainHealth Co-op
Setting
Facility
Modifier
None
Typical Low
$234.42
Median
$295.12
Typical High
$575.44
MountainHealth Co-op
Setting
Professional
Modifier
None
Typical Low
$151.36
Median
$251.19
Typical High
$562.34
Providence
Setting
Facility
Modifier
None
Typical Low
$251.19
Median
$1,348.96
Typical High
$3,890.45
Providence
Setting
Professional
Modifier
None
Typical Low
$79.43
Median
$251.19
Typical High
$501.19
United
Setting
Facility
Modifier
None
Typical Low
$602.56
Median
$1,000.00
Typical High
$1,862.09
United
Setting
Professional
Modifier
None
Typical Low
$257.04
Median
$398.11
Typical High
$575.44

Where Montana sits

The same service costs 3.9 times more in Alaska 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.

Montana· 42nd of 51

$302

AK $933KY $240

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.