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Releasing A Stiff Knee Joint

Maryland 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?

$832

Typical physician fee. In Maryland, October 2026.

Insurers have agreed to pay about $832 for this service. Most negotiated rates run $776 to $1,023.

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 6 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,778 · 10th to 90th $646 to $3,467Professionalmedian $813 · 10th to 90th $708 to $1,230
$1K$2K$5Kfacility $1,778professional $813

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
Professional
Modifier
None
Typical Low
$812.83
Median
$812.83
Typical High
$851.14
CareFirst
Setting
Professional
Modifier
None
Typical Low
$812.83
Median
$912.01
Typical High
$912.01
Cigna
Setting
Facility
Modifier
None
Typical Low
$630.96
Median
$1,698.24
Typical High
$3,019.95
Cigna
Setting
Professional
Modifier
None
Typical Low
$724.44
Median
$812.83
Typical High
$1,479.11
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$812.83
Median
$912.01
Typical High
$1,445.44
United
Setting
Facility
Modifier
None
Typical Low
$954.99
Median
$1,995.26
Typical High
$3,890.45
United
Setting
Professional
Modifier
None
Typical Low
$616.60
Median
$776.25
Typical High
$1,737.80
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$758.58
Median
$758.58
Typical High
$1,230.27
6 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
$407.38
Median
$407.38
Typical High
$426.58
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$162.18
Median
$162.18
Typical High
$169.82
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$602.56
Median
$602.56
Typical High
$645.65
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$123.03
Median
$123.03
Typical High
$128.82
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$81.28
Median
$81.28
Typical High
$85.11
Aetna
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$562.34
Median
$562.34
Typical High
$602.56

Where Maryland sits

The same service costs 7.4 times more in Alaska than in Texas. 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.

Maryland· 42nd of 51

$832

AK $3,311TX $447

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.