go back

Extended EEG Brain Wave Monitoring

South Dakota rates for HCPCS 95721

This service is a period of continuous brain wave recording, used to capture and analyze the electrical activity of the brain over an extended stretch of time, without accompanying video monitoring. It is often used to identify or characterize seizures by reviewing the pattern of brain wave activity recorded over that period.

Rates data updated October 2026.

How much does Extended EEG Brain Wave Monitoring cost?

$407

Typical negotiated rate. In South Dakota, October 2026.

Insurers have agreed to pay about $407 for this service. Most negotiated rates run $302 to $447.

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 $339 · 10th to 90th $269 to $347Professionalmedian $407 · 10th to 90th $214 to $537
$200$500$1Kfacility $339professional $407

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
Facility
Modifier
None
Typical Low
$208.93
Median
$208.93
Typical High
$213.80
Aetna
Setting
Professional
Modifier
None
Typical Low
$199.53
Median
$208.93
Typical High
$234.42
Cigna
Setting
Professional
Modifier
None
Typical Low
$354.81
Median
$426.58
Typical High
$537.03
Medica
Setting
Facility
Modifier
None
Typical Low
$275.42
Median
$338.84
Typical High
$346.74
Medica
Setting
Professional
Modifier
None
Typical Low
$234.42
Median
$446.68
Typical High
$1,288.25
Midlands
Setting
Professional
Modifier
None
Typical Low
$407.38
Median
$416.87
Typical High
$436.52
Midlands
Setting
Professional
Modifier
None
Typical Low
$416.87
Median
$416.87
Typical High
$436.52
Sanford Health Plan
Setting
Professional
Modifier
None
Typical Low
$234.42
Median
$302.00
Typical High
$398.11
United
Setting
Professional
Modifier
None
Typical Low
$208.93
Median
$380.19
Typical High
$446.68
Wellmark
Setting
Professional
Modifier
None
Typical Low
$354.81
Median
$436.52
Typical High
$537.03
2 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
$102.33
Median
$102.33
Typical High
$112.20
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$40.74
Median
$41.69
Typical High
$45.71

Where South Dakota sits

The same service costs 2.8 times more in Alaska 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.

South Dakota· 3rd of 51

$407

AK $513FL $182

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.