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Endoskeletal Knee, Microprocessor Stance Phase Control

Washington, DC 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?

$11,749

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $11,749 for this service. The price depends on where it is billed: about $11,749 from a physician practice, and about $11,749 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$11,749$10,715 to $11,749
FacilityA hospital or hospital-owned outpatient department$11,749$11,749 to $11,749

How much rates vary

Facilitymedian $11,749 · 10th to 90th $11,749 to $32,359Professionalmedian $11,749 · 10th to 90th $10,233 to $13,183
$10K$20Kfacility $11,749professional $11,749

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. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$11,748.98
Median
$11,748.98
Typical High
$11,748.98
Aetna
Setting
Professional
Modifier
Global
Typical Low
$10,232.93
Median
$11,748.98
Typical High
$11,748.98
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$13,182.57
Median
$13,182.57
Typical High
$15,488.17
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
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$14,454.40
Median
$19,054.61
Typical High
$43,651.58
United
Setting
Facility
Modifier
Global
Typical Low
$32,359.37
Median
$32,359.37
Typical High
$32,359.37
United
Setting
Professional
Modifier
Global
Typical Low
$7,244.36
Median
$11,481.54
Typical High
$17,378.01

Where Washington, DC 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.

Washington, DC· 35th of 51

$11,749

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.