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Magnetic Brain Mapping Of One Function

Maine rates for HCPCS 95966

A recording of the very faint magnetic fields produced by working brain cells, made while the patient is given a stimulus or asked to perform a task, so that the part of the brain handling that function can be mapped. It is most often done before brain surgery, to show the surgeon which areas must be avoided. The patient lies still under a helmet-shaped sensor and feels nothing.

Rates data updated October 2026.

How much does Magnetic Brain Mapping Of One Function cost?

$1,122

Typical negotiated rate. In Maine, October 2026.

Insurers have agreed to pay about $1,122 for this service. Most negotiated rates run $646 to $1,479.

These are rates insurers have negotiated with providers, not the amount a patient is billed. What you owe depends on your plan's deductible and coinsurance. Based on rates published by 6 insurance carriers under federal price transparency rules.

How much rates vary

Professionalmedian $1,122 · 10th to 90th $214 to $2,042
$200$500$1K$2Kprofessional $1,122

Distribution of negotiated rates across all payers (price axis is log-scale). Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,096.48
Median
$1,122.02
Typical High
$1,122.02
Aetna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$213.80
Median
$223.87
Typical High
$223.87
Aetna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$891.25
Median
$891.25
Typical High
$891.25
Anthem BCBS
Setting
Professional
Modifier
None (both parts)
Typical Low
$158.49
Median
$213.80
Typical High
$1,513.56
Anthem BCBS
Setting
Professional
Modifier
26 · Professional part
Typical Low
$204.17
Median
$257.04
Typical High
$380.19
Anthem BCBS
Setting
Professional
Modifier
TC · Technical part
Typical Low
$251.19
Median
$1,122.02
Typical High
$1,513.56
Cigna
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,230.27
Median
$1,380.38
Typical High
$2,238.72
Cigna
Setting
Professional
Modifier
26 · Professional part
Typical Low
$239.88
Median
$281.84
Typical High
$436.52
Cigna
Setting
Professional
Modifier
TC · Technical part
Typical Low
$1,000.00
Median
$1,122.02
Typical High
$1,778.28
Harvard Pilgrim
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,318.26
Median
$1,513.56
Typical High
$2,454.71
Harvard Pilgrim
Setting
Professional
Modifier
26 · Professional part
Typical Low
$257.04
Median
$302.00
Typical High
$407.38
Harvard Pilgrim
Setting
Professional
Modifier
TC · Technical part
Typical Low
$1,047.13
Median
$1,202.26
Typical High
$2,187.76
Martin's Point
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,122.02
Median
$1,122.02
Typical High
$1,122.02
Martin's Point
Setting
Professional
Modifier
26 · Professional part
Typical Low
$213.80
Median
$223.87
Typical High
$223.87
Martin's Point
Setting
Professional
Modifier
TC · Technical part
Typical Low
$891.25
Median
$891.25
Typical High
$891.25
United
Setting
Professional
Modifier
None (both parts)
Typical Low
$1,380.38
Median
$1,737.80
Typical High
$2,818.38
United
Setting
Professional
Modifier
26 · Professional part
Typical Low
$239.88
Median
$316.23
Typical High
$389.05
United
Setting
Professional
Modifier
TC · Technical part
Typical Low
$1,122.02
Median
$1,412.54
Typical High
$2,454.71
8 more rates with less common billing modifiers

A modifier changes what was billed, for example a reduced or repeated service. Each of these modifiers carries under 10% of the published rates for this code. Modifier combinations, and modifiers with fewer than 30 rates for a carrier, are not listed.

Insurance Carrier
Aetna
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$549.54
Median
$562.34
Typical High
$562.34
Aetna
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$218.78
Median
$223.87
Typical High
$223.87
Aetna
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$165.96
Median
$165.96
Typical High
$165.96
Aetna
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$109.65
Median
$112.20
Typical High
$112.20
Martin's Point
Setting
Professional
Modifier
52 · Reduced service
Typical Low
$562.34
Median
$562.34
Typical High
$562.34
Martin's Point
Setting
Professional
Modifier
53 · Discontinued
Typical Low
$223.87
Median
$223.87
Typical High
$223.87
Martin's Point
Setting
Professional
Modifier
55 · Aftercare only
Typical Low
$165.96
Median
$165.96
Typical High
$165.96
Martin's Point
Setting
Professional
Modifier
56 · Pre-op care only
Typical Low
$112.20
Median
$112.20
Typical High
$112.20

Where Maine sits

The same service costs 11.2 times more in Alaska than in Kentucky. Every bar is a state, most expensive first. Touch or drag across it to read any state, then open that state for its carriers and full range.

Maine· 28th of 51

$1,122

AK $3,020KY $269

Median negotiated rate in each state, from every insurer that publishes one. States where no insurer publishes a rate for this service are not shown.