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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Mississippi 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?

$1,445

Typical negotiated rate. In Mississippi, October 2026.

Insurers have agreed to pay about $1,445 for this service. The price depends on where it is billed: about $1,288 from a physician practice, and about $1,514 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$1,288$891 to $1,514
FacilityA hospital or hospital-owned outpatient department$1,514$1,349 to $1,514

How much rates vary

Facilitymedian $1,514 · 10th to 90th $1,230 to $1,950Professionalmedian $1,288 · 10th to 90th $891 to $1,950
$1K$2Kfacility $1,514professional $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
$1,949.84
Median
$1,949.84
Typical High
$1,949.84
Aetna
Setting
Professional
Modifier
None
Typical Low
$1,071.52
Median
$1,949.84
Typical High
$1,949.84
Ambetter
Setting
Professional
Modifier
None
Typical Low
$2,884.03
Median
$2,884.03
Typical High
$2,884.03
BCBS Mississippi
Setting
Facility
Modifier
None
Typical Low
$1,513.56
Median
$1,513.56
Typical High
$1,513.56
BCBS Mississippi
Setting
Professional
Modifier
None
Typical Low
$1,513.56
Median
$1,513.56
Typical High
$1,513.56
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
Molina
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$1,995.26
Typical High
$1,995.26
United
Setting
Facility
Modifier
None
Typical Low
$1,071.52
Median
$1,202.26
Typical High
$3,162.28
United
Setting
Professional
Modifier
None
Typical Low
$645.65
Median
$912.01
Typical High
$1,445.44
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
$575.44
Median
$977.24
Typical High
$977.24
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$234.42
Median
$389.05
Typical High
$389.05
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$173.78
Median
$288.40
Typical High
$288.40
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$117.49
Median
$194.98
Typical High
$194.98

Where Mississippi 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.

Mississippi· 21st of 51

$1,445

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.