go back

Brain Fluid Flow Scan Of The Ventricles

Washington, DC rates for HCPCS 78635

A nuclear medicine study of how fluid moves through and out of the fluid-filled chambers deep inside the brain. Once a tracer has been placed into those chambers, images are taken over a period of hours to see whether the fluid drains along its normal path or is held up. The placement of the tracer is billed separately from the imaging itself.

Rates data updated July 2026.

How much does Brain Fluid Flow Scan Of The Ventricles cost?

$309

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

Insurers have agreed to pay about $309 for this service. The price depends on where it is billed: about $309 from a physician practice, and about $309 from a hospital or other facility. The two figures are alternatives, not parts of one bill.

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.

Where it's billed changes the price

Billed byTypicalRange
Physician practiceA doctor's office, clinic or independent provider$309$309 to $372
FacilityA hospital or hospital-owned outpatient department$309$309 to $2,344

How much rates vary

Facilitymedian $309 · 10th to 90th $309 to $3,090Professionalmedian $309 · 10th to 90th $309 to $851
$200$500$1K$2Kfacility $309professional $309

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
$309.03
Median
$309.03
Typical High
$309.03
Aetna
Setting
Professional
Modifier
Global
Typical Low
$309.03
Median
$309.03
Typical High
$309.03
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$316.23
Median
$478.63
Typical High
$1,318.26
Cigna
Setting
Facility
Modifier
Global
Typical Low
$1,380.38
Median
$3,090.30
Typical High
$3,090.30
Cigna
Setting
Professional
Modifier
Global
Typical Low
$218.78
Median
$416.87
Typical High
$1,584.89
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$323.59
Median
$741.31
Typical High
$741.31
United
Setting
Facility
Modifier
Global
Typical Low
$2,344.23
Median
$2,754.23
Typical High
$3,235.94
United
Setting
Professional
Modifier
Global
Typical Low
$239.88
Median
$501.19
Typical High
$1,148.15

Where Washington, DC sits

The same service costs 4.9 times more in Wyoming than in Florida. 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· 40th of 51

$309

WY $1,202FL $245

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.