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Diagnostic Scope Exam Of The Sphenoid Sinus

Wisconsin 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?

$851

Typical negotiated rate. In Wisconsin, October 2026.

Insurers have agreed to pay about $851 for this service. The price depends on where it is billed: about $676 from a physician practice, and about $2,630 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 10 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$676$398 to $1,148
FacilityA hospital or hospital-owned outpatient department$2,630$1,349 to $3,981

How much rates vary

Facilitymedian $2,630 · 10th to 90th $457 to $5,623Professionalmedian $676 · 10th to 90th $229 to $1,660
$200$500$1K$2K$5K$10Kfacility $2,630professional $676

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
$204.17
Median
$398.11
Typical High
$14,454.40
Aetna
Setting
Professional
Modifier
None
Typical Low
$204.17
Median
$398.11
Typical High
$3,801.89
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$1,949.84
Median
$3,548.13
Typical High
$6,165.95
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$302.00
Median
$851.14
Typical High
$1,698.24
Anthem BCBS
Setting
Professional
Modifier
50 · Both sides
Typical Low
$446.68
Median
$1,288.25
Typical High
$2,570.40
Cigna
Setting
Facility
Modifier
None
Typical Low
$707.95
Median
$1,230.27
Typical High
$2,137.96
Cigna
Setting
Professional
Modifier
None
Typical Low
$218.78
Median
$416.87
Typical High
$1,122.02
DeanCare
Setting
Facility
Modifier
None
Typical Low
$234.42
Median
$2,570.40
Typical High
$4,786.30
DeanCare
Setting
Professional
Modifier
None
Typical Low
$338.84
Median
$524.81
Typical High
$954.99
Medica
Setting
Facility
Modifier
None
Typical Low
$416.87
Median
$2,187.76
Typical High
$4,786.30
Medica
Setting
Professional
Modifier
None
Typical Low
$338.84
Median
$977.24
Typical High
$1,995.26
Network Health
Setting
Facility
Modifier
None
Typical Low
$1,445.44
Median
$2,818.38
Typical High
$4,786.30
Network Health
Setting
Professional
Modifier
None
Typical Low
$371.54
Median
$691.83
Typical High
$1,023.29
Prevea360
Setting
Facility
Modifier
None
Typical Low
$173.78
Median
$323.59
Typical High
$575.44
Quartz
Setting
Professional
Modifier
None
Typical Low
$302.00
Median
$645.65
Typical High
$1,202.26
Quartz
Setting
Facility
Modifier
None
Typical Low
$630.96
Median
$1,548.82
Typical High
$2,344.23
Quartz
Setting
Professional
Modifier
None
Typical Low
$218.78
Median
$416.87
Typical High
$549.54
Security Health
Setting
Professional
Modifier
None
Typical Low
$380.19
Median
$380.19
Typical High
$776.25
Security Health
Setting
Professional
Modifier
None
Typical Low
$645.65
Median
$954.99
Typical High
$1,905.46
United
Setting
Facility
Modifier
None
Typical Low
$707.95
Median
$2,818.38
Typical High
$4,786.30
United
Setting
Professional
Modifier
None
Typical Low
$208.93
Median
$575.44
Typical High
$1,288.25
10 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
Facility
Modifier
52 · Reduced service
Typical Low
$102.33
Median
$102.33
Typical High
$199.53
Aetna
Setting
Facility
Modifier
53 · Discontinued
Typical Low
$40.74
Median
$40.74
Typical High
$79.43
Aetna
Setting
Facility
Modifier
54 · Surgery only
Typical Low
$151.36
Median
$151.36
Typical High
$295.12
Aetna
Setting
Facility
Modifier
55 · Aftercare only
Typical Low
$30.20
Median
$30.20
Typical High
$58.88
Aetna
Setting
Facility
Modifier
56 · Pre-op care only
Typical Low
$20.42
Median
$20.42
Typical High
$39.81
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$102.33
Median
$199.53
Typical High
$1,905.46
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$40.74
Median
$79.43
Typical High
$758.58
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$151.36
Median
$295.12
Typical High
$2,884.03
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$30.20
Median
$58.88
Typical High
$575.44
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$20.42
Median
$39.81
Typical High
$380.19

Where Wisconsin 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.

Wisconsin· 2nd of 51

$851

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.