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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Washington, DC rates for HCPCS L5611

Addition to lower extremity, endoskeletal system, above knee (AK), knee disarticulation, four-bar linkage, with friction swing phase control

Rates data updated July 2026.

How much does Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing cost?

$1,023

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $1,023 for this service. The price depends on where it is billed: about $1,023 from a physician practice, and about $1,023 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$1,023$955 to $1,230
FacilityA hospital or hospital-owned outpatient department$1,023$1,023 to $1,023

How much rates vary

Facilitymedian $1,023 · 10th to 90th $1,023 to $3,162Professionalmedian $1,023 · 10th to 90th $912 to $1,259
$1.0K$2.0Kfacility $1,023professional $1,023

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
$1,023.29
Median
$1,023.29
Typical High
$1,023.29
Aetna
Setting
Professional
Modifier
Global
Typical Low
$912.01
Median
$1,023.29
Typical High
$1,258.93
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1,047.13
Median
$1,047.13
Typical High
$1,348.96
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,230.27
Median
$1,230.27
Typical High
$1,230.27
Cigna
Setting
Professional
Modifier
Global
Typical Low
$891.25
Median
$891.25
Typical High
$1,318.26
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,288.25
Median
$1,659.59
Typical High
$3,801.89
United
Setting
Facility
Modifier
Global
Typical Low
$3,162.28
Median
$3,162.28
Typical High
$3,162.28
United
Setting
Professional
Modifier
Global
Typical Low
$645.65
Median
$1,023.29
Typical High
$1,513.56

Where Washington, DC sits

The same service costs 3.2 times more in Hawaii than in Nebraska. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Washington, DC $1,023 · 44th of 51
HI $2,754NE $851

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.