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Endoskeletal Knee, Microprocessor Swing Phase Control

Illinois 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?

$6,310

Typical negotiated rate. In Illinois, October 2026.

Insurers have agreed to pay about $6,310 for this service. The price depends on where it is billed: about $5,495 from a physician practice, and about $14,454 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$5,495$5,129 to $9,333
FacilityA hospital or hospital-owned outpatient department$14,454$12,589 to $26,915

How much rates vary

Facilitymedian $14,454 · 10th to 90th $6,607 to $60,256Professionalmedian $5,495 · 10th to 90th $4,786 to $11,482
$5K$10K$20K$50K$100Kfacility $14,454professional $5,495

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$5,128.61
Median
$5,128.61
Typical High
$10,471.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$5,128.61
Median
$5,128.61
Typical High
$8,317.64
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$758.58
Median
$758.58
Typical High
$1,258.93
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$512.86
Median
$512.86
Typical High
$831.76
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$12,589.25
Median
$17,378.01
Typical High
$70,794.58
Cigna
Setting
Facility
Modifier
None
Typical Low
$6,606.93
Median
$6,606.93
Typical High
$6,606.93
Cigna
Setting
Professional
Modifier
None
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$6,606.93
Hally Health
Setting
Professional
Modifier
None
Typical Low
$8,317.64
Median
$10,232.93
Typical High
$12,589.25
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$13,489.63
Median
$13,489.63
Typical High
$13,489.63
Molina
Setting
Professional
Modifier
None
Typical Low
$5,011.87
Median
$8,912.51
Typical High
$8,912.51
United
Setting
Facility
Modifier
None
Typical Low
$10,471.29
Median
$15,135.61
Typical High
$15,135.61
United
Setting
Professional
Modifier
None
Typical Low
$4,570.88
Median
$5,128.61
Typical High
$12,022.64

Where Illinois 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.

Illinois· 28th of 51

$6,310

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.