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Releasing A Stiff Knee Joint

North Carolina 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 October 2026.

How much does Releasing A Stiff Knee Joint cost?

$3,948

Typical total for the visit. In North Carolina, October 2026.

Insurers have agreed to pay about $3,948 for this procedure. That total is two separate charges: $1,549 to the doctor who performs it, and $2,399 to the hospital or surgery center where it takes place. Done somewhere without a facility charge, you pay only the first.

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.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$1,549$977 to $1,950
Facility feeThe hospital or surgery center$2,399$1,413 to $3,090

How much rates vary

Facilitymedian $2,399 · 10th to 90th $832 to $5,888Professionalmedian $1,549 · 10th to 90th $794 to $2,188
$1K$2K$5K$10Kfacility $2,399professional $1,549

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
None
Typical Low
$794.33
Median
$1,096.48
Typical High
$10,471.29
Aetna
Setting
Professional
Modifier
None
Typical Low
$794.33
Median
$794.33
Typical High
$933.25
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$1,737.80
Median
$2,570.40
Typical High
$3,467.37
BCBS North Carolina
Setting
Professional
Modifier
None
Typical Low
$1,023.29
Median
$1,905.46
Typical High
$2,344.23
Cigna
Setting
Facility
Modifier
None
Typical Low
$794.33
Median
$2,454.71
Typical High
$3,235.94
Cigna
Setting
Professional
Modifier
None
Typical Low
$831.76
Median
$891.25
Typical High
$1,995.26
Medcost
Setting
Professional
Modifier
None
Typical Low
$1,258.93
Median
$1,258.93
Typical High
$1,862.09
Medcost
Setting
Facility
Modifier
None
Typical Low
$741.31
Median
$1,412.54
Typical High
$2,818.38
Medcost
Setting
Professional
Modifier
None
Typical Low
$851.14
Median
$977.24
Typical High
$1,318.26
United
Setting
Facility
Modifier
None
Typical Low
$1,047.13
Median
$2,398.83
Typical High
$12,022.64
United
Setting
Professional
Modifier
None
Typical Low
$676.08
Median
$870.96
Typical High
$1,949.84
14 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$398.11
Median
$398.11
Typical High
$457.09
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$158.49
Median
$158.49
Typical High
$181.97
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$588.84
Median
$588.84
Typical High
$676.08
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$117.49
Median
$117.49
Typical High
$134.90
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$79.43
Median
$79.43
Typical High
$91.20
Aetna
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$549.54
Median
$549.54
Typical High
$630.96
Medcost
Setting
Facility
Modifier
50 · Both sides
Typical Low
$1,096.48
Median
$2,137.96
Typical High
$5,011.87
Medcost
Setting
Facility
Modifier
51 · Multiple procedures
Typical Low
$363.08
Median
$707.95
Typical High
$1,698.24
Medcost
Setting
Professional
Modifier
50 · Both sides
Typical Low
$1,288.25
Median
$1,479.11
Typical High
$2,884.03
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$426.58
Median
$489.78
Typical High
$954.99
Medcost
Setting
Professional
Modifier
80 · Assistant surgeon
Typical Low
$173.78
Median
$194.98
Typical High
$389.05
Medcost
Setting
Professional
Modifier
81 · Minimal assistant surgeon
Typical Low
$123.03
Median
$138.04
Typical High
$269.15
Medcost
Setting
Professional
Modifier
82 · Assistant surgeon, no resident
Typical Low
$123.03
Median
$138.04
Typical High
$269.15
Medcost
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$123.03
Median
$138.04
Typical High
$269.15

Where North Carolina sits

The same service costs 3.1 times more in Wisconsin than in Maryland. 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.

Physician feeFacility fee

North Carolina· 22nd of 51

$3,948

$1,549 physician + $2,399 facility

WI $8,115MD $2,591

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.