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Prosthetic Knee, Four-Bar or Multiaxial, Pneumatic Swing

Massachusetts rates for HCPCS L5840

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

Rates data updated July 2026.

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

$3,890

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $3,890 for this service. The price depends on where it is billed: about $3,890 from a physician practice, and about $5,495 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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 9 insurance carriers under federal price transparency rules.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$3,890$2,138 to $3,890
FacilityA hospital or hospital-owned outpatient department$5,495$4,266 to $6,310

How much rates vary

Facilitymedian $5,495 · 10th to 90th $1,950 to $7,762Professionalmedian $3,890 · 10th to 90th $1,950 to $5,888
$100$500$2K$10Kfacility $5,495professional $3,890

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
Facility
Modifier
Global
Typical Low
$1,949.84
Median
$1,949.84
Typical High
$1,949.84
Aetna
Setting
Professional
Modifier
Global
Typical Low
$1,905.46
Median
$2,137.96
Typical High
$6,165.95
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$3,981.07
Median
$4,570.88
Typical High
$23,442.29
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$1,995.26
Median
$3,467.37
Typical High
$5,370.32
BCBS
Setting
Facility
Modifier
Global
Typical Low
$4,786.30
Median
$5,754.40
Typical High
$7,585.78
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,584.89
Median
$3,235.94
Typical High
$3,388.44
Cigna
Setting
Professional
Modifier
Global
Typical Low
$2,454.71
Median
$2,454.71
Typical High
$3,548.13
Fallon Health
Setting
Facility
Modifier
Global
Typical Low
$60.26
Median
$3,630.78
Typical High
$9,772.37
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$3,890.45
Median
$3,890.45
Typical High
$5,888.44
Health New England
Setting
Professional
Modifier
Global
Typical Low
$3,235.94
Median
$3,235.94
Typical High
$3,235.94
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$3,981.07
Median
$4,570.88
Typical High
$23,442.29
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$1,995.26
Median
$3,467.37
Typical High
$5,370.32
United
Setting
Facility
Modifier
Global
Typical Low
$1,698.24
Median
$3,162.28
Typical High
$5,495.41
United
Setting
Professional
Modifier
Global
Typical Low
$1,995.26
Median
$3,715.35
Typical High
$3,981.07

Where Massachusetts sits

The same service costs 2.6 times more in Hawaii than in Nebraska. 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.

Massachusetts· 10th of 51

$3,890

HI $4,786NE $1,862

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.