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Knee Joints, Polycentric, Below-Knee

North Carolina rates for HCPCS L5677

Additions to lower extremity, below knee (BK), knee joints, polycentric, pair

Rates data updated October 2026.

How much does Knee Joints, Polycentric, Below-Knee cost?

$447

Typical negotiated rate. In North Carolina, October 2026.

Insurers have agreed to pay about $447 for this service. The price depends on where it is billed: about $457 from a physician practice, and about $398 from a hospital or other facility.

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.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$457$347 to $457
FacilityA hospital or hospital-owned outpatient department$398$331 to $417

How much rates vary

Facilitymedian $398 · 10th to 90th $191 to $437Professionalmedian $457 · 10th to 90th $295 to $501
$200$500$1Kfacility $398professional $457

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
$436.52
Median
$436.52
Typical High
$436.52
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$309.03
Median
$436.52
Typical High
$436.52
BCBS North Carolina
Setting
Facility
Modifier
None
Typical Low
$489.78
Median
$489.78
Typical High
$588.84
BCBS North Carolina
Setting
Professional
Modifier
None (both parts)
Typical Low
$346.74
Median
$457.09
Typical High
$602.56
Cigna
Setting
Facility
Modifier
None
Typical Low
$398.11
Median
$398.11
Typical High
$398.11
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$295.12
Median
$398.11
Typical High
$398.11
Medcost
Setting
Professional
Modifier
None
Typical Low
$363.08
Median
$398.11
Typical High
$398.11
Medcost
Setting
Facility
Modifier
None
Typical Low
$190.55
Median
$323.59
Typical High
$489.78
Medcost
Setting
Professional
Modifier
None (both parts)
Typical Low
$331.13
Median
$416.87
Typical High
$707.95
United
Setting
Facility
Modifier
None
Typical Low
$398.11
Median
$398.11
Typical High
$398.11
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$229.09
Median
$295.12
Typical High
$446.68
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
$158.49
Median
$218.78
Typical High
$218.78
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$63.10
Median
$87.10
Typical High
$87.10
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$46.77
Median
$66.07
Typical High
$66.07
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$31.62
Median
$43.65
Typical High
$43.65
Medcost
Setting
Professional
Modifier
26 · Professional part
Typical Low
$165.96
Median
$177.83
Typical High
$398.11
Medcost
Setting
Professional
Modifier
50 · Both sides
Typical Low
$501.19
Median
$630.96
Typical High
$1,995.26
Medcost
Setting
Professional
Modifier
51 · Multiple procedures
Typical Low
$165.96
Median
$208.93
Typical High
$660.69
Medcost
Setting
Professional
Modifier
80 · Assistant surgeon
Typical Low
$66.07
Median
$83.18
Typical High
$269.15
Medcost
Setting
Professional
Modifier
81 · Minimal assistant surgeon
Typical Low
$46.77
Median
$58.88
Typical High
$186.21
Medcost
Setting
Professional
Modifier
82 · Assistant surgeon, no resident
Typical Low
$46.77
Median
$58.88
Typical High
$186.21
Medcost
Setting
Professional
Modifier
AS · PA/NP assist
Typical Low
$46.77
Median
$58.88
Typical High
$186.21
Medcost
Setting
Professional
Modifier
SH · Second concurrent infusion
Typical Low
$165.96
Median
$165.96
Typical High
$165.96
Medcost
Setting
Professional
Modifier
SJ · Third+ concurrent infusion
Typical Low
$165.96
Median
$165.96
Typical High
$165.96
Medcost
Setting
Professional
Modifier
TC · Technical part
Typical Low
$251.19
Median
$269.15
Typical High
$602.56

Where North Carolina sits

The same service costs 3.7 times more in Hawaii than in Delaware. 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.

North Carolina· 20th of 51

$447

HI $1,096DE $295

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.