go back

Below-Knee Back Check, Extension Control

Missouri 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?

$40.74

Typical negotiated rate. In Missouri, October 2026.

Insurers have agreed to pay about $40.74 for this service. The price depends on where it is billed: about $38.90 from a physician practice, and about $57.54 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 6 insurance carriers under federal price transparency rules.

Prices by location type

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$38.90$33.11 to $44.67
FacilityA hospital or hospital-owned outpatient department$57.54$44.67 to $148

How much rates vary

Facilitymedian $58 · 10th to 90th $34 to $331Professionalmedian $39 · 10th to 90th $31 to $62
$20$50$100$200facility $58professional $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
$30.20
Median
$44.67
Typical High
$44.67
Aetna
Setting
Professional
Modifier
None
Typical Low
$30.20
Median
$44.67
Typical High
$63.10
Anthem BCBS
Setting
Facility
Modifier
None
Typical Low
$67.61
Median
$67.61
Typical High
$309.03
Anthem BCBS
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$40.74
Typical High
$53.70
Anthem BCBS
Setting
Professional
Modifier
UE · Used equipment
Typical Low
$27.54
Median
$29.51
Typical High
$42.66
BCBS Kansas City
Setting
Professional
Modifier
None
Typical Low
$40.74
Median
$40.74
Typical High
$67.61
Cigna
Setting
Facility
Modifier
None
Typical Low
$44.67
Median
$44.67
Typical High
$50.12
Cigna
Setting
Professional
Modifier
None
Typical Low
$33.11
Median
$33.11
Typical High
$44.67
Medica
Setting
Facility
Modifier
None
Typical Low
$30.20
Median
$64.57
Typical High
$331.13
Medica
Setting
Professional
Modifier
None
Typical Low
$25.70
Median
$35.48
Typical High
$389.05
United
Setting
Facility
Modifier
None
Typical Low
$36.31
Median
$37.15
Typical High
$83.18
United
Setting
Professional
Modifier
None
Typical Low
$23.99
Median
$33.11
Typical High
$46.77
5 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
$15.14
Median
$22.39
Typical High
$31.62
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$6.03
Median
$8.91
Typical High
$12.59
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$4.57
Median
$6.76
Typical High
$9.33
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.02
Median
$4.47
Typical High
$6.31
Anthem BCBS
Setting
Professional
Modifier
RR · Rental
Typical Low
$3.89
Median
$3.89
Typical High
$38.90

Where Missouri 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.

Missouri· 34th of 51

$40.74

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.