go back

Prosthetic Knee, Polycentric, Mechanical Stance Lock

Connecticut rates for HCPCS L5816

Addition, endoskeletal knee-shin system, polycentric, mechanical stance phase lock

Rates data updated July 2026.

How much does Prosthetic Knee, Polycentric, Mechanical Stance Lock cost?

$537

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $537 for this service. The price depends on where it is billed: about $537 from a physician practice, and about $759 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 6 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$537$457 to $646
FacilityA hospital or hospital-owned outpatient department$759$676 to $1,047

How much rates vary

Facilitymedian $759 · 10th to 90th $661 to $1,122Professionalmedian $537 · 10th to 90th $437 to $1,000
$500$1K$2K$5Kfacility $759professional $537

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$436.52
Median
$501.19
Typical High
$1,148.15
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$870.96
Median
$1,122.02
Typical High
$1,348.96
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$616.60
Median
$645.65
Typical High
$1,318.26
Cigna
Setting
Facility
Modifier
Global
Typical Low
$660.69
Median
$660.69
Typical High
$1,047.13
Cigna
Setting
Professional
Modifier
Global
Typical Low
$478.63
Median
$478.63
Typical High
$478.63
ConnectiCare
Setting
Facility
Modifier
Global
Typical Low
$707.95
Median
$707.95
Typical High
$707.95
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$676.08
Median
$812.83
Typical High
$1,148.15
Health New England
Setting
Professional
Modifier
Global
Typical Low
$645.65
Median
$645.65
Typical High
$645.65
United
Setting
Facility
Modifier
Global
Typical Low
$416.87
Median
$676.08
Typical High
$776.25
United
Setting
Professional
Modifier
Global
Typical Low
$416.87
Median
$549.54
Typical High
$912.01

Where Connecticut sits

The same service costs 4.5 times more in Hawaii than in Delaware. 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.

Connecticut· 43rd of 51

$537

HI $2,042DE $457

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.