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Extended EEG Brain Wave Monitoring

Montana 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 $87 · 10th–90th $87$1050%50%90th$87Professionalmedian $309 · 10th–90th $51$6170%10%10th90th$309$50.0$100.0$200.0$500.0$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. Small sample; interpret with caution. Need provider-level prices? Contact us.

Insurance Carrier
Aetna
Setting
Professional
Modifier
Global
Typical Low
$316.23
Median
$346.74
Typical High
$676.08
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$51.29
Median
$72.44
Typical High
$169.82
BCBS
Setting
Professional
Modifier
Global
Typical Low
$87.10
Median
$549.54
Typical High
$549.54
Cigna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$87.10
Median
$87.10
Typical High
$104.71
Cigna
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$501.19
Typical High
$1,513.56
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$54.95
Median
$79.43
Typical High
$234.42
MountainHealth Co-op
Setting
Professional
Modifier
Global
Typical Low
$537.03
Median
$602.56
Typical High
$691.83
Providence
Setting
Facility
Modifier
26 · Professional part
Typical Low
$87.10
Median
$87.10
Typical High
$104.71
Providence
Setting
Professional
Modifier
Global
Typical Low
$363.08
Median
$707.95
Typical High
$933.25
Providence
Setting
Professional
Modifier
26 · Professional part
Typical Low
$54.95
Median
$79.43
Typical High
$120.23
United
Setting
Professional
Modifier
Global
Typical Low
$281.84
Median
$524.81
Typical High
$645.65
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$58.88
Median
$93.33
Typical High
$107.15