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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Rhode Island 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?

$1,349

Typical negotiated rate. In Rhode Island, October 2026.

Insurers have agreed to pay about $1,349 for this service. The price depends on where it is billed: about $1,349 from a physician practice, and about $4,786 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 4 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$1,349$1,230 to $1,514
FacilityA hospital or hospital-owned outpatient department$4,786$3,802 to $5,495

How much rates vary

Facilitymedian $4,786 · 10th to 90th $2,630 to $6,026Professionalmedian $1,349 · 10th to 90th $955 to $2,138
$1K$2K$5Kfacility $4,786professional $1,349

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

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$1,258.93
Median
$1,513.56
Typical High
$1,513.56
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$630.96
Median
$758.58
Typical High
$758.58
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$251.19
Median
$309.03
Typical High
$309.03
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$186.21
Median
$229.09
Typical High
$229.09
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$125.89
Median
$151.36
Typical High
$151.36
BCBS Rhode Island
Setting
Facility
Modifier
None
Typical Low
$3,801.89
Median
$5,128.61
Typical High
$6,025.60
BCBS Rhode Island
Setting
Professional
Modifier
None
Typical Low
$954.99
Median
$1,348.96
Typical High
$2,187.76
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
United
Setting
Facility
Modifier
None
Typical Low
$2,630.27
Median
$2,630.27
Typical High
$2,630.27
United
Setting
Professional
Modifier
None
Typical Low
$977.24
Median
$1,445.44
Typical High
$2,137.96

Where Rhode Island 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.

Rhode Island· 25th of 51

$1,349

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.