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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Colorado 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?

$1,288

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $1,288 for this service. The price depends on where it is billed: about $1,288 from a physician practice, and about $1,288 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,288$912 to $1,738
FacilityA hospital or hospital-owned outpatient department$1,288$1,202 to $2,630

How much rates vary

Facilitymedian $1,288 · 10th to 90th $617 to $3,311Professionalmedian $1,288 · 10th to 90th $891 to $3,311
$1K$2K$5Kfacility $1,288professional $1,288

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
$1,288.25
Median
$1,288.25
Typical High
$1,288.25
Aetna
Setting
Professional
Modifier
None
Typical Low
$1,096.48
Median
$1,288.25
Typical High
$1,288.25
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$2,511.89
Median
$2,754.23
Typical High
$7,585.78
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$776.25
Median
$1,174.90
Typical High
$2,570.40
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
$1,230.27
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$616.60
Median
$1,288.25
Typical High
$2,884.03
Denver HMP
Setting
Professional
Modifier
None
Typical Low
$616.60
Median
$616.60
Typical High
$616.60
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$1,862.09
Median
$3,388.44
Typical High
$5,011.87
Select Health
Setting
Facility
Modifier
None
Typical Low
$2,630.27
Median
$4,897.79
Typical High
$5,495.41
Select Health
Setting
Professional
Modifier
None
Typical Low
$1,862.09
Median
$2,630.27
Typical High
$3,311.31
United
Setting
Facility
Modifier
None
Typical Low
$1,071.52
Median
$1,202.26
Typical High
$1,202.26
United
Setting
Professional
Modifier
None
Typical Low
$870.96
Median
$954.99
Typical High
$1,479.11
6 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
$575.44
Median
$645.65
Typical High
$645.65
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$229.09
Median
$257.04
Typical High
$257.04
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$173.78
Median
$194.98
Typical High
$194.98
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$114.82
Median
$128.82
Typical High
$128.82
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$117.49
Median
$1,174.90
Typical High
$1,174.90
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$870.96
Median
$870.96
Typical High
$870.96

Where Colorado 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.

Colorado· 26th of 51

$1,288

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.