go back

Below-Knee Back Check, Extension Control

Colorado 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?

$36.31

Typical negotiated rate. In Colorado, October 2026.

Insurers have agreed to pay about $36.31 for this service. The price depends on where it is billed: about $36.31 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 7 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$36.31$33.11 to $51.29
FacilityA hospital or hospital-owned outpatient department$44.67$36.31 to $74.13

How much rates vary

Facilitymedian $45 · 10th to 90th $20 to $138Professionalmedian $36 · 10th to 90th $29 to $95
$20$50$100$200facility $45professional $36

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
$36.31
Median
$36.31
Typical High
$36.31
Aetna
Setting
Professional
Modifier
None
Typical Low
$35.48
Median
$36.31
Typical High
$39.81
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$70.79
Median
$83.18
Typical High
$213.80
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$27.54
Median
$38.90
Typical High
$81.28
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
$44.67
Denver HMP
Setting
Facility
Modifier
None
Typical Low
$19.95
Median
$41.69
Typical High
$81.28
Denver HMP
Setting
Professional
Modifier
None
Typical Low
$19.95
Median
$19.95
Typical High
$19.95
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$54.95
Median
$95.50
Typical High
$154.88
Select Health
Setting
Facility
Modifier
None
Typical Low
$74.13
Median
$138.04
Typical High
$154.88
Select Health
Setting
Professional
Modifier
None
Typical Low
$51.29
Median
$74.13
Typical High
$93.33
United
Setting
Facility
Modifier
None
Typical Low
$36.31
Median
$37.15
Typical High
$37.15
United
Setting
Professional
Modifier
None
Typical Low
$27.54
Median
$30.90
Typical High
$46.77
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
$18.20
Median
$18.20
Typical High
$19.95
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$7.24
Median
$7.24
Typical High
$7.94
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$5.37
Median
$5.37
Typical High
$5.89
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.63
Median
$3.63
Typical High
$3.98
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$3.89
Median
$38.90
Typical High
$38.90
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$29.51
Median
$29.51
Typical High
$29.51

Where Colorado 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.

Colorado· 44th of 51

$36.31

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.