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Endoskeletal Knee, Powered Flexion/Extension Assist

Connecticut rates for HCPCS L5859

Addition to lower extremity prosthesis, endoskeletal knee-shin system, powered and programmable flexion/extension assist control, includes any type motor(s)

Rates data updated July 2026.

How much does Endoskeletal Knee, Powered Flexion/Extension Assist cost?

$7,762

Typical negotiated rate. In Connecticut, July 2026.

Insurers have agreed to pay about $7,762 for this service. The price depends on where it is billed: about $7,762 from a physician practice, and about $12,303 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 5 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$7,762$7,413 to $10,000
FacilityA hospital or hospital-owned outpatient department$12,303$10,233 to $17,378

How much rates vary

Facilitymedian $12,303 · 10th to 90th $9,772 to $17,378Professionalmedian $7,762 · 10th to 90th $5,623 to $16,596
$10K$20K$50Kfacility $12,303professional $7,762

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
$7,413.10
Median
$7,762.47
Typical High
$17,782.79
Anthem BCBS
Setting
Facility
Modifier
Global
Typical Low
$13,489.63
Median
$17,378.01
Typical High
$20,892.96
Anthem BCBS
Setting
Professional
Modifier
Global
Typical Low
$5,623.41
Median
$5,623.41
Typical High
$19,054.61
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9,772.37
Median
$9,772.37
Typical High
$17,378.01
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8,317.64
Median
$8,317.64
Typical High
$8,317.64
ConnectiCare
Setting
Facility
Modifier
Global
Typical Low
$11,220.18
Median
$11,220.18
Typical High
$11,220.18
ConnectiCare
Setting
Professional
Modifier
Global
Typical Low
$11,220.18
Median
$12,589.25
Typical High
$19,054.61
United
Setting
Facility
Modifier
Global
Typical Low
$6,456.54
Median
$11,748.98
Typical High
$12,302.69
United
Setting
Professional
Modifier
Global
Typical Low
$6,456.54
Median
$8,511.38
Typical High
$14,125.38

Where Connecticut sits

The same service costs 2.8 times more in Kansas than in California. 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· 49th of 51

$7,762

KS $21,380CA $7,586

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.