go back

Extended EEG Brain Wave Monitoring

Washington, DC rates for HCPCS 95812

This test records the brain's electrical activity using scalp electrodes over a longer period than a routine EEG, increasing the chance of capturing abnormal patterns, such as those linked to seizures, that might not appear during a brief recording. The extended recording time allows the patient to pass through more of a natural sleep-wake cycle while brain activity is continuously tracked. It falls between a standard-length EEG and a more prolonged, multi-hour or overnight monitoring study.

Rates data updated July 2026.

Facilitymedian $52 · 10th–90th $52$520%50%100%$52Professionalmedian $178 · 10th–90th $50$4680%10%20%10th90th$178$50.0$100.0$200.0$500.0$1.0K$2.0K

Distribution of negotiated rates across all payers (price axis is log-scale). Facility and professional rates are different services and are charted separately. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$52.48
Median
$52.48
Typical High
$52.48
Aetna
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$354.81
Typical High
$467.74
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$45.71
Median
$52.48
Typical High
$114.82
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$177.83
Median
$354.81
Typical High
$912.01
CareFirst
Setting
Professional
Modifier
26 · Professional part
Typical Low
$53.70
Median
$53.70
Typical High
$66.07
Cigna
Setting
Professional
Modifier
Global
Typical Low
$245.47
Median
$549.54
Typical High
$1,513.56
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$87.10
Typical High
$234.42
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$426.58
Median
$489.78
Typical High
$831.76
Kaiser Permanente
Setting
Professional
Modifier
26 · Professional part
Typical Low
$61.66
Median
$70.79
Typical High
$125.89
United
Setting
Professional
Modifier
Global
Typical Low
$234.42
Median
$524.81
Typical High
$1,071.52
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$46.77
Median
$83.18
Typical High
$154.88