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Prosthetic Knee, Polycentric, Mechanical Stance Lock

Maryland rates for HCPCS L5816

Addition, endoskeletal knee-shin system, polycentric, mechanical stance phase lock

Rates data updated July 2026.

How much does Prosthetic Knee, Polycentric, Mechanical Stance Lock cost?

$550

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $550 for this service. Most negotiated rates run $479 to $550.

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.

How much rates vary

Facilitymedian $759 · 10th to 90th $457 to $1,047Professionalmedian $550 · 10th to 90th $447 to $759
$500$1K$2K$5Kfacility $759professional $550

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$446.68
Median
$549.54
Typical High
$758.58
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$549.54
Median
$549.54
Typical High
$707.95
Cigna
Setting
Facility
Modifier
Global
Typical Low
$660.69
Median
$660.69
Typical High
$691.83
Cigna
Setting
Professional
Modifier
Global
Typical Low
$478.63
Median
$478.63
Typical High
$660.69
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$724.44
Median
$1,047.13
Typical High
$1,548.82
United
Setting
Facility
Modifier
Global
Typical Low
$426.58
Median
$758.58
Typical High
$1,047.13
United
Setting
Professional
Modifier
Global
Typical Low
$457.09
Median
$549.54
Typical High
$812.83
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$616.60
Median
$616.60
Typical High
$891.25

Where Maryland sits

The same service costs 4.5 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.

Maryland· 39th of 51

$550

HI $2,042DE $457

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.