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Extended EEG Brain Wave Monitoring

Washington 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 $78 · 10th–90th $47$1550%10%10th90th$78Professionalmedian $200 · 10th–90th $51$6920%5%10th90th$200$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
$72.44
Median
$109.65
Typical High
$154.88
Aetna
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$407.38
Typical High
$1,000.00
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$50.12
Median
$72.44
Typical High
$213.80
Ambetter
Setting
Professional
Modifier
Global
Typical Low
$380.19
Median
$380.19
Typical High
$741.31
Ambetter
Setting
Professional
Modifier
26 · Professional part
Typical Low
$53.70
Median
$109.65
Typical High
$120.23
Asuris Northwest Health
Setting
Facility
Modifier
26 · Professional part
Typical Low
$512.86
Median
$512.86
Typical High
$512.86
Asuris Northwest Health
Setting
Professional
Modifier
Global
Typical Low
$416.87
Median
$660.69
Typical High
$891.25
Asuris Northwest Health
Setting
Professional
Modifier
26 · Professional part
Typical Low
$67.61
Median
$107.15
Typical High
$154.88
Cigna
Setting
Professional
Modifier
Global
Typical Low
$269.15
Median
$549.54
Typical High
$1,071.52
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$53.70
Median
$93.33
Typical High
$165.96
Kaiser Permanente
Setting
Facility
Modifier
26 · Professional part
Typical Low
$45.71
Median
$74.13
Typical High
$151.36
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$223.87
Median
$389.05
Typical High
$851.14
Kaiser Permanente
Setting
Professional
Modifier
26 · Professional part
Typical Low
$45.71
Median
$72.44
Typical High
$125.89
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$229.09
Pacific Source
Setting
Professional
Modifier
Global
Typical Low
$91.20
Median
$120.23
Typical High
$758.58
Premera BCBS
Setting
Facility
Modifier
26 · Professional part
Typical Low
$75.86
Median
$75.86
Typical High
$75.86
Premera BCBS
Setting
Professional
Modifier
Global
Typical Low
$478.63
Median
$660.69
Typical High
$954.99
Premera BCBS
Setting
Professional
Modifier
26 · Professional part
Typical Low
$75.86
Median
$107.15
Typical High
$154.88
Regence BlueShield
Setting
Facility
Modifier
26 · Professional part
Typical Low
$512.86
Median
$512.86
Typical High
$512.86
Regence BlueShield
Setting
Professional
Modifier
Global
Typical Low
$416.87
Median
$645.65
Typical High
$891.25
Regence BlueShield
Setting
Professional
Modifier
26 · Professional part
Typical Low
$67.61
Median
$104.71
Typical High
$141.25
United
Setting
Professional
Modifier
Global
Typical Low
$323.59
Median
$524.81
Typical High
$1,000.00
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$58.88
Median
$89.13
Typical High
$165.96
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$288.40
Median
$467.74
Typical High
$562.34
Wellpoint
Setting
Professional
Modifier
26 · Professional part
Typical Low
$45.71
Median
$64.57
Typical High
$83.18