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Below-Knee Back Check, Extension Control

Pennsylvania rates for HCPCS L5686

Addition to lower extremity, below knee (BK), back check (extension control)

Rates data updated October 2026.

How much does Below-Knee Back Check, Extension Control cost?

$38.90

Typical negotiated rate. In Pennsylvania, October 2026.

Insurers have agreed to pay about $38.90 for this service. The price depends on where it is billed: about $38.90 from a physician practice, and about $44.67 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 9 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$38.90$34.67 to $74.13
FacilityA hospital or hospital-owned outpatient department$44.67$41.69 to $107

How much rates vary

Facilitymedian $45 · 10th to 90th $36 to $275Professionalmedian $39 · 10th to 90th $33 to $78
$100$1K$10Kfacility $45professional $39

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
$34.67
Median
$34.67
Typical High
$37.15
Aetna
Setting
Professional
Modifier
None
Typical Low
$33.88
Median
$34.67
Typical High
$38.02
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$16.98
Median
$17.38
Typical High
$19.05
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$6.76
Median
$6.92
Typical High
$7.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$5.13
Median
$5.25
Typical High
$5.75
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.39
Median
$3.47
Typical High
$3.80
Capital Blue Cross
Setting
Facility
Modifier
None
Typical Low
$4,265.80
Median
$5,011.87
Typical High
$79,432.82
Capital Blue Cross
Setting
Professional
Modifier
None
Typical Low
$61.66
Median
$77.62
Typical High
$77.62
Cigna
Setting
Facility
Modifier
None
Typical Low
$44.67
Median
$44.67
Typical High
$44.67
Cigna
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$346.74
Emblem Health
Setting
Professional
Modifier
None
Typical Low
$75.86
Median
$120.23
Typical High
$141.25
Geisinger
Setting
Facility
Modifier
None
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
Geisinger
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$47.86
Typical High
$79.43
Martin's Point
Setting
Facility
Modifier
None
Typical Low
$34.67
Median
$34.67
Typical High
$34.67
Martin's Point
Setting
Professional
Modifier
None
Typical Low
$33.88
Median
$34.67
Typical High
$38.02
Martin's Point
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$16.98
Median
$17.38
Typical High
$19.05
Martin's Point
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$6.76
Median
$6.92
Typical High
$7.59
Martin's Point
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$5.13
Median
$5.25
Typical High
$5.75
Martin's Point
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.39
Median
$3.47
Typical High
$3.80
Oscar Health
Setting
Professional
Modifier
None
Typical Low
$50.12
Median
$85.11
Typical High
$123.03
UPMC Health Plan
Setting
Facility
Modifier
None
Typical Low
$37.15
Median
$169.82
Typical High
$288.40
UPMC Health Plan
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$37.15
Typical High
$74.13
United
Setting
Facility
Modifier
None
Typical Low
$36.31
Median
$37.15
Typical High
$100.00
United
Setting
Professional
Modifier
None
Typical Low
$30.90
Median
$38.90
Typical High
$61.66
1 more rate 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
Capital Blue Cross
Setting
Professional
Modifier
50 · Both sides
Typical Low
$70.79
Median
$77.62
Typical High
$77.62

Where Pennsylvania sits

The same service costs 2.5 times more in Hawaii than in Florida. 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.

Pennsylvania· 36th of 51

$38.90

HI $81.28FL $33.11

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.