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Endoskeletal Knee, Microprocessor Swing Phase Control

West Virginia rates for HCPCS L5857

Addition to lower extremity prosthesis, endoskeletal knee-shin system, microprocessor control feature, swing phase only, includes electronic sensor(s), any type

Rates data updated October 2026.

How much does Endoskeletal Knee, Microprocessor Swing Phase Control cost?

$5,012

Typical negotiated rate. In West Virginia, October 2026.

Insurers have agreed to pay about $5,012 for this service. The price depends on where it is billed: about $5,012 from a physician practice, and about $6,607 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5,012$4,898 to $7,079
FacilityA hospital or hospital-owned outpatient department$6,607$6,607 to $6,918

How much rates vary

Facilitymedian $6,607 · 10th to 90th $6,607 to $10,715Professionalmedian $5,012 · 10th to 90th $4,898 to $11,220
$5K$10K$20K$50Kfacility $6,607professional $5,012

Distribution of negotiated rates across all payers (price axis is log-scale). 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
None
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$4,897.79
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$741.31
Median
$741.31
Typical High
$741.31
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$489.78
Median
$489.78
Typical High
$489.78
CareSource
Setting
Facility
Modifier
None
Typical Low
$6,760.83
Median
$6,760.83
Typical High
$6,760.83
CareSource
Setting
Professional
Modifier
None
Typical Low
$7,244.36
Median
$7,244.36
Typical High
$12,302.69
Cigna
Setting
Facility
Modifier
None
Typical Low
$6,606.93
Median
$6,606.93
Typical High
$14,454.40
Cigna
Setting
Professional
Modifier
None
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$50,118.72
United
Setting
Facility
Modifier
None
Typical Low
$10,715.19
Median
$10,715.19
Typical High
$10,715.19
United
Setting
Professional
Modifier
None
Typical Low
$4,897.79
Median
$6,309.57
Typical High
$11,220.18

Where West Virginia sits

The same service costs 2.3 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.

West Virginia· 49th of 51

$5,012

HI $11,220DE $4,898

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.