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Prosthetic Knee, Endoskeletal Four-Bar, Friction Swing

Alabama 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?

$1,072

Typical negotiated rate. In Alabama, October 2026.

Insurers have agreed to pay about $1,072 for this service. Most negotiated rates run $891 to $1,622.

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.

How much rates vary

Facilitymedian $1,230 · 10th to 90th $1,230 to $1,349Professionalmedian $955 · 10th to 90th $813 to $1,622
$1K$2Kfacility $1,230professional $955

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
$1,621.81
Median
$1,621.81
Typical High
$1,621.81
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
$1,071.52
Median
$2,238.72
Typical High
$2,630.27
United
Setting
Professional
Modifier
None
Typical Low
$645.65
Median
$954.99
Typical High
$1,445.44
5 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
$812.83
Median
$812.83
Typical High
$812.83
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$323.59
Median
$323.59
Typical High
$323.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$245.47
Median
$245.47
Typical High
$245.47
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$162.18
Median
$162.18
Typical High
$162.18
BCBS Alabama
Setting
Professional
Modifier
12 + 21 + 22 · Increased work + 24 · Unrelated visit after surgery + 31 + 32 · Mandated service + 55 · Aftercare only + 99 · Multiple modifiers
Typical Low
$1,258.93
Median
$1,258.93
Typical High
$1,258.93

Where Alabama 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.

Alabama· 44th of 51

$1,072

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.