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Endoskeletal Knee, Microprocessor Stance Phase Control

Massachusetts rates for HCPCS L5858

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

Rates data updated July 2026.

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

$19,055

Typical negotiated rate. In Massachusetts, July 2026.

Insurers have agreed to pay about $19,055 for this service. The price depends on where it is billed: about $19,055 from a physician practice, and about $26,915 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$19,055$10,715 to $19,055
FacilityA hospital or hospital-owned outpatient department$26,915$21,380 to $32,359

How much rates vary

Facilitymedian $26,915 · 10th to 90th $9,550 to $38,019Professionalmedian $19,055 · 10th to 90th $9,550 to $28,840
$100$1K$10K$100Kfacility $26,915professional $19,055

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
$9,549.93
Median
$9,549.93
Typical High
$9,549.93
Aetna
Setting
Professional
Modifier
Global
Typical Low
$9,549.93
Median
$10,715.19
Typical High
$30,199.52
AllWays Health Partners
Setting
Facility
Modifier
Global
Typical Low
$20,892.96
Median
$21,379.62
Typical High
$107,151.93
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$10,000.00
Median
$18,197.01
Typical High
$26,302.68
BCBS
Setting
Facility
Modifier
Global
Typical Low
$24,547.09
Median
$28,840.32
Typical High
$37,153.52
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14,454.40
Median
$14,454.40
Typical High
$14,454.40
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10,715.19
Median
$10,715.19
Typical High
$15,488.17
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
$19,054.61
Median
$19,054.61
Typical High
$28,840.32
Health New England
Setting
Professional
Modifier
Global
Typical Low
$15,848.93
Median
$15,848.93
Typical High
$15,848.93
Mass General Brigham
Setting
Facility
Modifier
Global
Typical Low
$20,892.96
Median
$21,379.62
Typical High
$107,151.93
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$10,000.00
Median
$18,197.01
Typical High
$26,302.68
United
Setting
Facility
Modifier
Global
Typical Low
$8,317.64
Median
$15,488.17
Typical High
$27,542.29
United
Setting
Professional
Modifier
Global
Typical Low
$9,772.37
Median
$18,197.01
Typical High
$19,498.45

Where Massachusetts sits

The same service costs 2.3 times more in South Dakota 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.

Massachusetts· 6th of 51

$19,055

SD $22,387DE $9,772

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.