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Extended EEG Brain Wave Monitoring

Massachusetts 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 $55 · 10th–90th $55$1950%50%90th$55Professionalmedian $191 · 10th–90th $56$8510%5%10th90th$191$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. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$54.95
Median
$54.95
Typical High
$54.95
Aetna
Setting
Professional
Modifier
Global
Typical Low
$275.42
Median
$363.08
Typical High
$1,148.15
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$50.12
Median
$60.26
Typical High
$213.80
AllWays Health Partners
Setting
Facility
Modifier
26 · Professional part
Typical Low
$123.03
Median
$138.04
Typical High
$354.81
AllWays Health Partners
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$524.81
Typical High
$2,238.72
AllWays Health Partners
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$89.13
Typical High
$776.25
BCBS
Setting
Professional
Modifier
26 · Professional part
Typical Low
$64.57
Median
$109.65
Typical High
$147.91
Cigna
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$537.03
Typical High
$1,122.02
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$56.23
Median
$89.13
Typical High
$165.96
Fallon Health
Setting
Professional
Modifier
Global
Typical Low
$42.66
Median
$257.04
Typical High
$602.56
Harvard Pilgrim
Setting
Professional
Modifier
Global
Typical Low
$398.11
Median
$758.58
Typical High
$1,071.52
Harvard Pilgrim
Setting
Professional
Modifier
26 · Professional part
Typical Low
$60.26
Median
$102.33
Typical High
$158.49
Health New England
Setting
Professional
Modifier
Global
Typical Low
$426.58
Median
$426.58
Typical High
$489.78
Mass General Brigham
Setting
Facility
Modifier
26 · Professional part
Typical Low
$123.03
Median
$138.04
Typical High
$354.81
Mass General Brigham
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$524.81
Typical High
$2,238.72
Mass General Brigham
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$89.13
Typical High
$776.25
United
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$602.56
Typical High
$1,122.02
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$58.88
Median
$97.72
Typical High
$177.83