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Endoskeletal Knee, Powered Flexion/Extension Assist

West Virginia 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?

$9,120

Typical negotiated rate. In West Virginia, July 2026.

Insurers have agreed to pay about $9,120 for this service. The price depends on where it is billed: about $9,120 from a physician practice, and about $8,318 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 4 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$9,120$8,318 to $9,120
FacilityA hospital or hospital-owned outpatient department$8,318$8,318 to $10,233

How much rates vary

Facilitymedian $8,318 · 10th to 90th $8,318 to $18,197Professionalmedian $9,120 · 10th to 90th $8,318 to $12,303
$10K$20K$50Kfacility $8,318professional $9,120

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
Facility
Modifier
Global
Typical Low
$8,317.64
Median
$8,317.64
Typical High
$8,317.64
Aetna
Setting
Professional
Modifier
Global
Typical Low
$8,317.64
Median
$8,317.64
Typical High
$9,120.11
CareSource
Setting
Facility
Modifier
Global
Typical Low
$11,481.54
Median
$11,481.54
Typical High
$23,988.33
CareSource
Setting
Professional
Modifier
Global
Typical Low
$12,302.69
Median
$12,302.69
Typical High
$20,892.96
Cigna
Setting
Facility
Modifier
Global
Typical Low
$9,772.37
Median
$24,547.09
Typical High
$24,547.09
Cigna
Setting
Professional
Modifier
Global
Typical Low
$8,317.64
Median
$8,317.64
Typical High
$85,113.80
United
Setting
Facility
Modifier
Global
Typical Low
$10,471.29
Median
$12,302.69
Typical High
$18,197.01
United
Setting
Professional
Modifier
Global
Typical Low
$8,511.38
Median
$11,220.18
Typical High
$15,848.93

Where West Virginia 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.

West Virginia· 31st of 51

$9,120

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.