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Extended EEG Brain Wave Monitoring

Illinois 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 $91 · 10th–90th $58$1550%20%10th90th$91Professionalmedian $132 · 10th–90th $54$5500%5%10%10th90th$132$10.0$50.0$200.0$1.0K

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

Insurance Carrier
Aetna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$57.54
Median
$91.20
Typical High
$154.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$354.81
Typical High
$501.19
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$50.12
Median
$57.54
Typical High
$123.03
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$338.84
Median
$354.81
Typical High
$354.81
Ambetter
Setting
Professional
Modifier
26 · Professional part
Typical Low
$66.07
Median
$70.79
Typical High
$83.18
BCBS
Setting
Professional
Modifier
Global
Typical Low
$63.10
Median
$199.53
Typical High
$562.34
Cigna
Setting
Professional
Modifier
Global
Typical Low
$245.47
Median
$446.68
Typical High
$691.83
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$54.95
Median
$75.86
Typical High
$123.03
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$489.78
Typical High
$812.83
Hally Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$56.23
Median
$87.10
Typical High
$199.53
Hally Health
Setting
Facility
Modifier
26 · Professional part
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$407.38
Median
$416.87
Typical High
$446.68
Hally Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$67.61
Median
$69.18
Typical High
$72.44
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$91.20
United
Setting
Professional
Modifier
Global
Typical Low
$251.19
Median
$407.38
Typical High
$776.25
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$54.95
Median
$85.11
Typical High
$141.25