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Below-Knee Back Check, Extension Control

Maryland 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?

$41.69

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $41.69 for this service. Most negotiated rates run $37.15 to $44.67.

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.

How much rates vary

Facilitymedian $45 · 10th to 90th $36 to $45Professionalmedian $42 · 10th to 90th $33 to $56
$50$100facility $45professional $42

Distribution of negotiated rates across all payers (price axis is log-scale). Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None
Typical Low
$36.31
Median
$37.15
Typical High
$41.69
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$18.20
Median
$18.62
Typical High
$20.89
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$7.24
Median
$7.41
Typical High
$8.32
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$5.50
Median
$5.50
Typical High
$6.17
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$3.63
Median
$3.72
Typical High
$4.17
CareFirst
Setting
Professional
Modifier
None
Typical Low
$41.69
Median
$41.69
Typical High
$54.95
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
Johns Hopkins Employer Health Plan
Setting
Professional
Modifier
None
Typical Low
$79.43
Median
$79.43
Typical High
$79.43
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$56.23
Median
$79.43
Typical High
$120.23
United
Setting
Facility
Modifier
None
Typical Low
$36.31
Median
$36.31
Typical High
$37.15
United
Setting
Professional
Modifier
None
Typical Low
$35.48
Median
$40.74
Typical High
$61.66
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$37.15
Median
$37.15
Typical High
$67.61

Where Maryland 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.

Maryland· 29th of 51

$41.69

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.