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Knee Ligament Reconstruction

Illinois rates for HCPCS 27427

Surgery to rebuild or reinforce a stretched or torn knee ligament so the joint stops giving way. Tissue is used to recreate the missing support and anchored to bone, and the leg is protected in a brace while it heals in. It is done for instability that has not settled with strengthening and bracing.

Rates data updated October 2026.

How much does Knee Ligament Reconstruction cost?

$7,769

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

Insurers have agreed to pay about $7,769 for this procedure. That total is two separate charges: $851 to the doctor who performs it, and $6,918 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 7 insurance carriers under federal price transparency rules.

What's inside this number

Part of the billTypicalRange
Physician feeThe doctor who performs it$851$724 to $1,148
Facility feeThe hospital or surgery center$6,918$3,236 to $9,772

How much rates vary

Facilitymedian $6,918 · 10th to 90th $1,072 to $12,589Professionalmedian $851 · 10th to 90th $661 to $1,349
$50$200$1K$5K$20Kfacility $6,918professional $851

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
$660.69
Median
$1,862.09
Typical High
$7,079.46
Aetna
Setting
Professional
Modifier
None
Typical Low
$588.84
Median
$707.95
Typical High
$1,096.48
Ambetter
Setting
Professional
Modifier
None
Typical Low
$87.10
Median
$691.83
Typical High
$724.44
BCBS Illinois
Setting
Facility
Modifier
None
Typical Low
$7,244.36
Median
$9,332.54
Typical High
$13,182.57
BCBS Illinois
Setting
Professional
Modifier
None
Typical Low
$831.76
Median
$1,148.15
Typical High
$1,348.96
Cigna
Setting
Facility
Modifier
None
Typical Low
$741.31
Median
$8,511.38
Typical High
$10,964.78
Cigna
Setting
Professional
Modifier
None
Typical Low
$741.31
Median
$870.96
Typical High
$1,258.93
Hally Health
Setting
Professional
Modifier
None
Typical Low
$776.25
Median
$1,148.15
Typical High
$4,265.80
Hally Health
Setting
Facility
Modifier
None
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
None
Typical Low
$851.14
Median
$912.01
Typical High
$1,000.00
Molina
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$77.62
Typical High
$831.76
United
Setting
Facility
Modifier
None
Typical Low
$1,479.11
Median
$5,248.07
Typical High
$15,848.93
United
Setting
Professional
Modifier
None
Typical Low
$660.69
Median
$812.83
Typical High
$1,445.44
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
$331.13
Median
$363.08
Typical High
$363.08
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$131.83
Median
$144.54
Typical High
$144.54
Aetna
Setting
Professional
Modifier
54 · Surgery only
Typical Low
$501.19
Median
$549.54
Typical High
$549.54
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$100.00
Median
$109.65
Typical High
$109.65
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$66.07
Median
$72.44
Typical High
$72.44
Aetna
Setting
Professional
Modifier
78 · Unplanned return to OR
Typical Low
$467.74
Median
$512.86
Typical High
$512.86

Where Illinois sits

The same service costs 6.1 times more in Colorado than in Montana. 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

Illinois· 13th of 51

$7,769

$851 physician + $6,918 facility

CO $13,882MT $2,270

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.