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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

South Carolina 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?

$1,122

Typical negotiated rate. In South Carolina, October 2026.

Insurers have agreed to pay about $1,122 for this service. The price depends on where it is billed: about $1,122 from a physician practice, and about $1,230 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$1,122$1,096 to $1,995
FacilityA hospital or hospital-owned outpatient department$1,230$1,023 to $1,995

How much rates vary

Facilitymedian $1,230 · 10th to 90th $871 to $1,995Professionalmedian $1,122 · 10th to 90th $871 to $1,995
$1K$2K$5Kfacility $1,230professional $1,122

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
Facility
Modifier
None
Typical Low
$870.96
Median
$870.96
Typical High
$870.96
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$870.96
Median
$870.96
Typical High
$1,230.27
BCBS South Carolina
Setting
Facility
Modifier
None
Typical Low
$1,778.28
Median
$1,995.26
Typical High
$1,995.26
BCBS South Carolina
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,122.02
Median
$1,621.81
Typical High
$1,995.26
Cigna
Setting
Facility
Modifier
None
Typical Low
$1,230.27
Median
$1,230.27
Typical High
$1,230.27
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$891.25
Median
$891.25
Typical High
$1,230.27
Medcost
Setting
Professional
Modifier
None
Typical Low
$977.24
Median
$977.24
Typical High
$1,174.90
Medcost
Setting
Facility
Modifier
None
Typical Low
$616.60
Median
$1,023.29
Typical High
$2,398.83
Medcost
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,096.48
Median
$1,380.38
Typical High
$2,570.40
Molina
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,318.26
Median
$1,318.26
Typical High
$1,318.26
United
Setting
Facility
Modifier
None
Typical Low
$1,071.52
Median
$1,202.26
Typical High
$2,630.27
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$758.58
Median
$954.99
Typical High
$1,445.44
12 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
$436.52
Median
$436.52
Typical High
$616.60
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$173.78
Median
$173.78
Typical High
$245.47
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$128.82
Median
$128.82
Typical High
$181.97
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$87.10
Median
$87.10
Typical High
$123.03
Medcost
Setting
Professional
Modifier
26 · Professional part
Typical Low
$549.54
Median
$575.44
Typical High
$1,380.38
Medcost
Setting
Professional
Modifier
50 · Both sides
Typical Low
$1,621.81
Median
$2,089.30
Typical High
$5,128.61
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$549.54
Median
$691.83
Typical High
$1,698.24
Medcost
Setting
Professional
Modifier
80 · Assistant surgeon
Typical Low
$218.78
Median
$275.42
Typical High
$691.83
Medcost
Setting
Professional
Modifier
81 · Minimal assistant surgeon
Typical Low
$151.36
Median
$194.98
Typical High
$478.63
Medcost
Setting
Professional
Modifier
82 · Assistant surgeon, no resident
Typical Low
$151.36
Median
$194.98
Typical High
$478.63
Medcost
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$151.36
Median
$194.98
Typical High
$478.63
Medcost
Setting
Professional
Modifier
TC · Technical part
Typical Low
$831.76
Median
$870.96
Typical High
$2,041.74

Where South Carolina 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.

South Carolina· 43rd of 51

$1,122

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.