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Knee Orthosis, Single Upright, Off-the-Shelf

Maryland rates for HCPCS L1851

Knee orthosis (KO), single upright, thigh and calf, with adjustable flexion and extension joint (unicentric or polycentric), medial-lateral and rotation control, with or without varus/valgus adjustment, prefabricated, off-the-shelf

Rates data updated October 2026.

How much does Knee Orthosis, Single Upright, Off-the-Shelf cost?

$550

Typical negotiated rate. In Maryland, October 2026.

Insurers have agreed to pay about $550 for this service. Most negotiated rates run $468 to $562.

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 $631 · 10th to 90th $631 to $708Professionalmedian $550 · 10th to 90th $309 to $776
$500$1Kfacility $631professional $550

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
$309.03
Median
$309.03
Typical High
$616.60
CareFirst
Setting
Professional
Modifier
None
Typical Low
$549.54
Median
$549.54
Typical High
$549.54
Cigna
Setting
Facility
Modifier
None
Typical Low
$630.96
Median
$630.96
Typical High
$707.95
Cigna
Setting
Professional
Modifier
None
Typical Low
$467.74
Median
$467.74
Typical High
$630.96
Johns Hopkins Employer Health Plan
Setting
Professional
Modifier
None
Typical Low
$660.69
Median
$660.69
Typical High
$660.69
Kaiser Permanente
Setting
Professional
Modifier
None
Typical Low
$467.74
Median
$691.83
Typical High
$1,047.13
United
Setting
Professional
Modifier
None
Typical Low
$478.63
Median
$549.54
Typical High
$831.76
Wellpoint
Setting
Professional
Modifier
None
Typical Low
$239.88
Median
$416.87
Typical High
$812.83
4 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
$154.88
Median
$154.88
Typical High
$213.80
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$61.66
Median
$61.66
Typical High
$85.11
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$46.77
Median
$46.77
Typical High
$64.57
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$30.90
Median
$30.90
Typical High
$42.66

Where Maryland sits

The same service costs 2.2 times more in Kansas than in Utah. 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· 37th of 51

$550

KS $1,000UT $457

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.