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Magnetic Brain Mapping Of One Function

Washington, DC 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 July 2026.

How much does Magnetic Brain Mapping Of One Function cost?

$1,047

Typical negotiated rate. In Washington, DC, July 2026.

Insurers have agreed to pay about $1,047 for this service. Most negotiated rates run $891 to $1,148.

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 5 insurance carriers under federal price transparency rules.

How much rates vary

Facilitymedian $1,047 · 10th to 90th $1,047 to $4,365Professionalmedian $1,047 · 10th to 90th $794 to $1,514
$200$500$1K$2K$5Kfacility $1,047professional $1,047

Distribution of negotiated rates across all payers (price axis is log-scale). Each curve is scaled to its own total: facility and professional rates are different services, shown together to compare where they cluster. Small sample; interpret with caution. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
Global
Typical Low
$1,047.13
Median
$1,047.13
Typical High
$1,047.13
Aetna
Setting
Professional
Modifier
Global
Typical Low
$794.33
Median
$1,047.13
Typical High
$1,445.44
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$186.21
Median
$512.86
Typical High
$1,071.52
Cigna
Setting
Professional
Modifier
Global
Typical Low
$933.25
Median
$1,513.56
Typical High
$4,677.35
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$1,174.90
Median
$1,348.96
Typical High
$2,290.87
United
Setting
Facility
Modifier
Global
Typical Low
$3,715.35
Median
$4,365.16
Typical High
$5,011.87
United
Setting
Professional
Modifier
Global
Typical Low
$616.60
Median
$2,137.96
Typical High
$3,162.28

Where Washington, DC sits

The same service costs 1.7 times more in Montana than in Hawaii. 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.

Washington, DC· 37th of 51

$1,047

MT $1,445HI $851

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.