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Prosthetic Knee, Four-Bar or Multiaxial, Pneumatic Swing

Maryland rates for HCPCS L5840

Addition, endoskeletal knee-shin system, four-bar linkage or multiaxial, pneumatic swing phase control

Rates data updated October 2026.

How much does Prosthetic Knee, Four-Bar or Multiaxial, Pneumatic Swing cost?

$2,455

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $2,455 for this service. Most negotiated rates run $2,344 to $3,090.

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 7 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $3,388 · 10th to 90th $2,399 to $3,388Professionalmedian $2,455 · 10th to 90th $2,042 to $3,388
$2K$5Kfacility $3,388professional $2,455

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
Professional
Modifier
None
Typical Low
$2,041.74
Median
$2,344.23
Typical High
$2,344.23
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$1,023.29
Median
$1,148.15
Typical High
$1,174.90
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$407.38
Median
$467.74
Typical High
$467.74
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$309.03
Median
$346.74
Typical High
$354.81
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$204.17
Median
$234.42
Typical High
$234.42
CareFirst
Setting
Professional
Modifier
None
Typical Low
$2,454.71
Median
$2,454.71
Typical High
$3,090.30
Cigna
Setting
Facility
Modifier
None
Typical Low
$3,388.44
Median
$3,388.44
Typical High
$3,388.44
Cigna
Setting
Professional
Modifier
None
Typical Low
$2,454.71
Median
$2,454.71
Typical High
$3,388.44
Johns Hopkins Employer Health Plan
Setting
Professional
Modifier
None
Typical Low
$4,466.84
Median
$4,466.84
Typical High
$4,466.84
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$3,162.28
Median
$4,466.84
Typical High
$6,760.83
United
Setting
Facility
Modifier
None
Typical Low
$2,398.83
Median
$2,398.83
Typical High
$2,398.83
United
Setting
Professional
Modifier
None
Typical Low
$2,041.74
Median
$2,290.87
Typical High
$3,467.37
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$2,454.71
Median
$2,454.71
Typical High
$3,801.89

Where Maryland sits

The same service costs 2.1 times more in Montana than in South Carolina. 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· 48th of 51

$2,455

MT $4,898SC $2,344

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.