go back

Unlisted Voice Box Procedure

California rates for HCPCS 31599

A procedure on the larynx, the voice box in the front of the neck, that has no standard named entry of its own. The physician submits a written report describing exactly what was performed.

Rates data updated July 2026.

How much does Unlisted Voice Box Procedure cost?

$3,715

Typical negotiated rate. In California, July 2026.

Insurers have agreed to pay about $3,715 for this service. The price depends on where it is billed: about $1,698 from a physician practice, and about $4,898 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,698$891 to $6,457
FacilityA hospital or hospital-owned outpatient department$4,898$2,291 to $10,000

How much rates vary

Facilitymedian $4,898 · 10th to 90th $1,072 to $15,136Professionalmedian $1,698 · 10th to 90th $389 to $7,586
$10$100$1K$10Kfacility $4,898professional $1,698

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$1,862.09
Median
$5,888.44
Typical High
$17,378.01
Aetna
Setting
Professional
Modifier
Global
Typical Low
$389.05
Median
$1,698.24
Typical High
$7,585.78
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$1,548.82
Median
$3,090.30
Typical High
$10,964.78
Blue Shield
Setting
Facility
Modifier
Global
Typical Low
$74.13
Median
$5,754.40
Typical High
$12,302.69
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$141.25
Median
$398.11
Typical High
$1,698.24
Lucent Health
Setting
Facility
Modifier
Global
Typical Low
$1,995.26
Median
$1,995.26
Typical High
$1,995.26
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
United
Setting
Facility
Modifier
Global
Typical Low
$575.44
Median
$1,584.89
Typical High
$6,456.54

Where California sits

The same service costs 39.8 times more in New Hampshire than in South Dakota. 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.

California· 8th of 50

$3,715

NH $9,772SD $245

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.