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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Oklahoma 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 October 2026.

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

$1,175

Typical negotiated rate. In Oklahoma, October 2026.

Insurers have agreed to pay about $1,175 for this service. The price depends on where it is billed: about $1,072 from a physician practice, and about $1,202 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 5 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,072$891 to $1,698
FacilityA hospital or hospital-owned outpatient department$1,202$1,175 to $1,950

How much rates vary

Facilitymedian $1,202 · 10th to 90th $1,000 to $10,233Professionalmedian $1,072 · 10th to 90th $813 to $2,818
$1K$2K$5K$10Kfacility $1,202professional $1,072

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
$831.76
Median
$831.76
Typical High
$831.76
Aetna
Setting
Professional
Modifier
None
Typical Low
$831.76
Median
$954.99
Typical High
$954.99
BCBS Oklahoma
Setting
Professional
Modifier
None
Typical Low
$1,698.24
Median
$1,698.24
Typical High
$1,698.24
Cigna
Setting
Facility
Modifier
None
Typical Low
$1,230.27
Median
$1,230.27
Typical High
$1,230.27
Cigna
Setting
Professional
Modifier
None
Typical Low
$891.25
Median
$891.25
Typical High
$891.25
Medica
Setting
Facility
Modifier
None
Typical Low
$1,000.00
Median
$1,202.26
Typical High
$10,232.93
Medica
Setting
Professional
Modifier
None
Typical Low
$812.83
Median
$1,380.38
Typical High
$12,882.50
United
Setting
Facility
Modifier
None
Typical Low
$1,071.52
Median
$2,238.72
Typical High
$2,238.72
United
Setting
Professional
Modifier
None
Typical Low
$645.65
Median
$891.25
Typical High
$1,380.38
4 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$416.87
Median
$478.63
Typical High
$478.63
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$165.96
Median
$190.55
Typical High
$190.55
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$125.89
Median
$141.25
Typical High
$141.25
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$83.18
Median
$95.50
Typical High
$95.50

Where Oklahoma sits

The same service costs 3.1 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.

Oklahoma· 41st of 51

$1,175

HI $2,754DE $891

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.