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Endoskeletal Knee, Microprocessor Swing Phase Control

Washington, DC rates for HCPCS L5857

Addition to lower extremity prosthesis, endoskeletal knee-shin system, microprocessor control feature, swing phase only, includes electronic sensor(s), any type

Rates data updated October 2026.

How much does Endoskeletal Knee, Microprocessor Swing Phase Control cost?

$5,888

Typical negotiated rate. In Washington, DC, October 2026.

Insurers have agreed to pay about $5,888 for this service. Most negotiated rates run $5,129 to $6,607.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $5,370 · 10th to 90th $5,370 to $7,079Professionalmedian $5,888 · 10th to 90th $4,677 to $8,128
$5K$10Kfacility $5,370professional $5,888

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
$5,370.32
Median
$5,370.32
Typical High
$5,370.32
Aetna
Setting
Professional
Modifier
None
Typical Low
$4,466.84
Median
$5,370.32
Typical High
$6,165.95
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$660.69
Median
$794.33
Typical High
$933.25
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$446.68
Median
$537.03
Typical High
$616.60
CareFirst
Setting
Professional
Modifier
None
Typical Low
$5,888.44
Median
$5,888.44
Typical High
$7,079.46
Cigna
Setting
Facility
Modifier
None
Typical Low
$7,079.46
Median
$7,079.46
Typical High
$7,079.46
Cigna
Setting
Professional
Modifier
None
Typical Low
$4,897.79
Median
$4,897.79
Typical High
$6,606.93
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$6,606.93
Median
$8,709.64
Typical High
$19,952.62
United
Setting
Professional
Modifier
None
Typical Low
$4,570.88
Median
$6,309.57
Typical High
$8,912.51

Where Washington, DC sits

The same service costs 2.3 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.

Washington, DC· 32nd of 51

$5,888

HI $11,220DE $4,898

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.