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Releasing A Stiff Knee Joint

Massachusetts 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?

$3,150

Typical total for the visit. In Massachusetts, October 2026.

Insurers have agreed to pay about $3,150 for this procedure. That total is two separate charges: $1,288 to the doctor who performs it, and $1,862 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 9 insurance carriers under federal price transparency rules.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$1,288$1,000 to $2,239
Facility feeThe hospital or surgery center$1,862$1,000 to $3,162

How much rates vary

Facilitymedian $1,862 · 10th to 90th $741 to $5,623Professionalmedian $1,288 · 10th to 90th $776 to $5,623
$1K$2K$5K$10Kfacility $1,862professional $1,288

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
$1,949.84
Median
$3,090.30
Typical High
$5,248.07
Aetna
Setting
Professional
Modifier
None
Typical Low
$741.31
Median
$741.31
Typical High
$2,238.72
AllWays Health Partners
Setting
Facility
Modifier
None
Typical Low
$645.65
Median
$2,089.30
Typical High
$5,754.40
AllWays Health Partners
Setting
Professional
Modifier
None
Typical Low
$851.14
Median
$1,949.84
Typical High
$5,623.41
Cigna
Setting
Facility
Modifier
None
Typical Low
$831.76
Median
$2,187.76
Typical High
$3,162.28
Cigna
Setting
Professional
Modifier
None
Typical Low
$1,071.52
Median
$1,071.52
Typical High
$2,137.96
Fallon Health
Setting
Facility
Modifier
None
Typical Low
$831.76
Median
$1,071.52
Typical High
$3,311.31
Fallon Health
Setting
Professional
Modifier
None
Typical Low
$954.99
Median
$1,096.48
Typical High
$1,288.25
Harvard Pilgrim
Setting
Facility
Modifier
None
Typical Low
$758.58
Median
$2,818.38
Typical High
$7,762.47
Harvard Pilgrim
Setting
Professional
Modifier
None
Typical Low
$912.01
Median
$1,698.24
Typical High
$2,570.40
Mass General Brigham
Setting
Facility
Modifier
None
Typical Low
$645.65
Median
$2,089.30
Typical High
$5,754.40
Mass General Brigham
Setting
Professional
Modifier
None
Typical Low
$851.14
Median
$1,949.84
Typical High
$5,623.41
United
Setting
Facility
Modifier
None
Typical Low
$851.14
Median
$2,818.38
Typical High
$9,549.93
United
Setting
Professional
Modifier
None
Typical Low
$870.96
Median
$1,230.27
Typical High
$3,715.35
Well Sense
Setting
Facility
Modifier
None
Typical Low
$676.08
Median
$1,071.52
Typical High
$1,380.38
Well Sense
Setting
Professional
Modifier
None
Typical Low
$575.44
Median
$575.44
Typical High
$776.25
7 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
$371.54
Median
$371.54
Typical High
$1,122.02
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$147.91
Median
$147.91
Typical High
$446.68
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$562.34
Median
$562.34
Typical High
$1,659.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$112.20
Median
$112.20
Typical High
$338.84
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$74.13
Median
$74.13
Typical High
$223.87
Aetna
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$524.81
Median
$524.81
Typical High
$1,548.82
BCBS Massachusetts
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$131.83
Median
$177.83
Typical High
$269.15

Where Massachusetts 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

Massachusetts· 36th of 51

$3,150

$1,288 physician + $1,862 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.