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Voice Box Examination With Biopsy

Colorado rates for HCPCS 31535

Passes a rigid viewing tube through the mouth while the patient is asleep so the surgeon can see the voice box directly and take a tissue sample for the laboratory. It is used to work out the cause of hoarseness, a growth, or a suspicious area on the vocal cords. This version is done without a microscope or telescope attached for magnified viewing.

Rates data updated October 2026.

How much does Voice Box Examination With Biopsy cost?

$6,301

Typical total for the visit. In Colorado, October 2026.

Insurers have agreed to pay about $6,301 for this procedure. That total is two separate charges: $275 to the doctor who performs it, and $6,026 to the hospital or surgery center where it takes place. Done somewhere without a facility charge, you pay only the first.

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.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$275$229 to $363
Facility feeThe hospital or surgery center$6,026$2,512 to $7,762

How much rates vary

Facilitymedian $6,026 · 10th to 90th $1,349 to $12,023Professionalmedian $275 · 10th to 90th $209 to $437
$200$500$1K$2K$5K$10K$20Kfacility $6,026professional $275

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
$3,630.78
Typical High
$9,120.11
Aetna
Setting
Professional
Modifier
None
Typical Low
$186.21
Median
$223.87
Typical High
$1,258.93
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$4,897.79
Median
$7,585.78
Typical High
$13,182.57
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$218.78
Median
$309.03
Typical High
$457.09
Cigna
Setting
Facility
Modifier
None
Typical Low
$588.84
Median
$2,187.76
Typical High
$3,235.94
Cigna
Setting
Professional
Modifier
None
Typical Low
$208.93
Median
$275.42
Typical High
$380.19
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$223.87
Median
$269.15
Typical High
$407.38
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$162.18
Median
$229.09
Typical High
$338.84
Select Health
Setting
Facility
Modifier
None
Typical Low
$162.18
Median
$323.59
Typical High
$2,818.38
Select Health
Setting
Professional
Modifier
None
Typical Low
$114.82
Median
$162.18
Typical High
$316.23
United
Setting
Facility
Modifier
None
Typical Low
$1,288.25
Median
$2,511.89
Typical High
$7,585.78
United
Setting
Professional
Modifier
None
Typical Low
$213.80
Median
$269.15
Typical High
$426.58
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
$104.71
Median
$112.20
Typical High
$112.20
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$41.69
Median
$44.67
Typical High
$45.71
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$158.49
Median
$165.96
Typical High
$169.82
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$31.62
Median
$33.11
Typical High
$33.88
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$20.89
Median
$22.39
Typical High
$22.91

Where Colorado sits

The same service costs 11.3 times more in Colorado than in Montana. 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.

Physician feeFacility fee

Colorado· 1st of 51

$6,301

$275 physician + $6,026 facility

CO $6,301MT $557

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.