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Releasing A Stiff Knee Joint

Illinois rates for HCPCS 27435

Cuts through the tightened capsule and scar tissue around the knee so a joint that has stiffened up can bend and straighten further. It is used when a knee has lost movement after injury, prolonged immobilization or earlier surgery, and therapy alone has not restored it.

Rates data updated July 2026.

How much does Releasing A Stiff Knee Joint cost?

$2,630

Typical facility fee. In Illinois, July 2026.

Insurers have agreed to pay about $2,630 for this service. Most negotiated rates run $1,318 to $5,012.

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.

How much rates vary

Facilitymedian $3,236 · 10th to 90th $1,023 to $9,772Professionalmedian $1,380 · 10th to 90th $871 to $3,890
$100.0$500.0$2.0K$10.0Kfacility $3,236professional $1,380

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
$831.76
Median
$2,454.71
Typical High
$8,912.51
BCBS
Setting
Facility
Modifier
Global
Typical Low
$4,168.69
Median
$5,128.61
Typical High
$18,197.01
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3,090.30
Median
$3,090.30
Typical High
$3,090.30
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$870.96
Median
$1,380.38
Typical High
$3,890.45
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
United
Setting
Facility
Modifier
Global
Typical Low
$1,862.09
Median
$4,365.16
Typical High
$8,912.51

Where Illinois sits

The same service costs 13.5 times more in Indiana than in West Virginia. Every bar is a state, most expensive first. Pick one to see its carriers and full range.

Illinois $2,630 · 36th of 50
IN $10,715WV $794

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.