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Nuclear Scan of a Brain Fluid Shunt

Nationwide rates for HCPCS 78645

A scan that checks whether a shunt, the tube implanted to drain excess fluid away from the brain, is working. A small amount of radioactive tracer is injected into the shunt's reservoir under the scalp and a camera follows it to see whether it travels freely along the tube to where it drains. Slow or absent movement points to a blockage.

Rates data updated July 2026.

How much rates vary

Facilitymedian $46 · 10th to 90th $23 to $166Professionalmedian $41 · 10th to 90th $26 to $102
$10$100$1K$10K$100Kfacility $46professional $41

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. Need provider-level prices or 24+ months of history? Contact us.

Rates by insurance carrier

Insurance Carrier
Aetna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$22.91
Median
$40.74
Typical High
$112.20
BCBS
Setting
Facility
Modifier
26 · Professional part
Typical Low
$34,673.69
Median
$102,329.30
Typical High
$199,526.23
Cigna
Setting
Facility
Modifier
26 · Professional part
Typical Low
$6.61
Median
$38.90
Typical High
$147.91