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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Maine 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?

$1,230

Typical negotiated rate. In Maine, October 2026.

Insurers have agreed to pay about $1,230 for this service. The price depends on where it is billed: about $1,202 from a physician practice, and about $3,162 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$1,202$1,175 to $1,738
FacilityA hospital or hospital-owned outpatient department$3,162$2,570 to $5,623

How much rates vary

Facilitymedian $3,162 · 10th to 90th $1,820 to $6,166Professionalmedian $1,202 · 10th to 90th $891 to $2,239
$1K$2K$5Kfacility $3,162professional $1,202

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
Professional
Modifier
None
Typical Low
$1,174.90
Median
$1,737.80
Typical High
$1,737.80
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$2,570.40
Median
$3,235.94
Typical High
$6,165.95
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$1,174.90
Median
$1,174.90
Typical High
$1,288.25
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$117.49
Median
$117.49
Typical High
$128.82
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$870.96
Median
$870.96
Typical High
$954.99
Cigna
Setting
Facility
Modifier
None
Typical Low
$1,230.27
Median
$1,230.27
Typical High
$1,905.46
Cigna
Setting
Professional
Modifier
None
Typical Low
$891.25
Median
$891.25
Typical High
$1,230.27
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$1,000.00
Median
$2,238.72
Typical High
$2,951.21
Martin's Point
Setting
Professional
Modifier
None
Typical Low
$1,174.90
Median
$1,737.80
Typical High
$1,737.80
United
Setting
Facility
Modifier
None
Typical Low
$1,071.52
Median
$1,071.52
Typical High
$1,202.26
United
Setting
Professional
Modifier
None
Typical Low
$912.01
Median
$1,288.25
Typical High
$3,548.13
8 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
$616.60
Median
$870.96
Typical High
$870.96
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$245.47
Median
$346.74
Typical High
$346.74
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$181.97
Median
$263.03
Typical High
$263.03
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$123.03
Median
$173.78
Typical High
$173.78
Martin's Point
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$616.60
Median
$870.96
Typical High
$870.96
Martin's Point
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$245.47
Median
$346.74
Typical High
$346.74
Martin's Point
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$181.97
Median
$263.03
Typical High
$263.03
Martin's Point
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$123.03
Median
$173.78
Typical High
$173.78

Where Maine 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.

Maine· 30th of 51

$1,230

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.