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Red Blood Cell Volume Measurement

Illinois rates for HCPCS 78121

A nuclear medicine test that measures the total volume of red blood cells circulating in the body. A small quantity of the person's own red cells is tagged with a tracer and returned to the bloodstream, and blood drawn afterwards is measured to calculate the total.

Rates data updated July 2026.

How much does Red Blood Cell Volume Measurement cost?

$112

Typical negotiated rate. In Illinois, July 2026.

Insurers have agreed to pay about $112 for this service. The price depends on where it is billed: about $97.72 from a physician practice, and about $263 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 6 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$97.72$70.79 to $135
FacilityA hospital or hospital-owned outpatient department$263$138 to $617

How much rates vary

Facilitymedian $263 · 10th to 90th $74 to $794Professionalmedian $98 · 10th to 90th $65 to $195
$100$200$500$1Kfacility $263professional $98

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
Global
Typical Low
$74.13
Median
$138.04
Typical High
$616.60
Aetna
Setting
Professional
Modifier
Global
Typical Low
$64.57
Median
$74.13
Typical High
$138.04
BCBS
Setting
Facility
Modifier
Global
Typical Low
$245.47
Median
$630.96
Typical High
$1,000.00
Cigna
Setting
Facility
Modifier
Global
Typical Low
$134.90
Median
$204.17
Typical High
$645.65
Cigna
Setting
Professional
Modifier
Global
Typical Low
$79.43
Median
$128.82
Typical High
$190.55
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$95.50
Median
$158.49
Typical High
$489.78
Hally Health
Setting
Facility
Modifier
Global
Typical Low
$100.00
Median
$100.00
Typical High
$100.00
Hally Health
Setting
Professional
Modifier
Global
Typical Low
$109.65
Median
$112.20
Typical High
$123.03
Molina
Setting
Professional
Modifier
Global
Typical Low
$32.36
Median
$33.11
Typical High
$33.11
United
Setting
Facility
Modifier
Global
Typical Low
$67.61
Median
$467.74
Typical High
$1,288.25
United
Setting
Professional
Modifier
Global
Typical Low
$81.28
Median
$114.82
Typical High
$173.78

Where Illinois sits

The same service costs 5.4 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.

Illinois· 25th of 51

$112

WY $372FL $69.18

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.