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Endoskeletal Knee, Microprocessor Stance Phase Control

Montana 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 Montana, July 2026.

Insurers have agreed to pay about $19,055 for this service. The price depends on where it is billed: about $18,197 from a physician practice, and about $22,387 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 5 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$18,197$12,023 to $22,387
FacilityA hospital or hospital-owned outpatient department$22,387$17,378 to $23,988

How much rates vary

Facilitymedian $22,387 · 10th to 90th $14,454 to $27,542Professionalmedian $18,197 · 10th to 90th $6,457 to $43,652
$100$1K$10K$100Kfacility $22,387professional $18,197

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
$6,456.54
Median
$18,197.01
Typical High
$95,499.26
Cigna
Setting
Facility
Modifier
Global
Typical Low
$14,454.40
Median
$23,988.33
Typical High
$23,988.33
Cigna
Setting
Professional
Modifier
Global
Typical Low
$10,715.19
Median
$23,988.33
Typical High
$23,988.33
MountainHealth Co-op
Setting
Facility
Modifier
Global
Typical Low
$17,378.01
Median
$22,387.21
Typical High
$43,651.58
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$17,378.01
Median
$22,387.21
Typical High
$43,651.58
Providence
Setting
Facility
Modifier
Global
Typical Low
$10,715.19
Median
$19,054.61
Typical High
$32,359.37
Providence
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$17,782.79
Typical High
$23,988.33
United
Setting
Facility
Modifier
Global
Typical Low
$13,182.57
Median
$15,135.61
Typical High
$15,848.93
United
Setting
Professional
Modifier
Global
Typical Low
$9,120.11
Median
$10,000.00
Typical High
$15,488.17

Where Montana 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.

Montana· 8th 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.