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Red Blood Cell Volume Measurement

Maryland 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?

$77.62

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $77.62 for this service. The price depends on where it is billed: about $77.62 from a physician practice, and about $83.18 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$77.62$69.18 to $107
FacilityA hospital or hospital-owned outpatient department$83.18$67.61 to $123

How much rates vary

Facilitymedian $83 · 10th to 90th $14 to $158Professionalmedian $78 · 10th to 90th $68 to $162
$20$50$100$200$500$1Kfacility $83professional $78

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
$67.61
Median
$67.61
Typical High
$67.61
Aetna
Setting
Professional
Modifier
Global
Typical Low
$67.61
Median
$74.13
Typical High
$162.18
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$14.13
Median
$95.50
Typical High
$117.49
Cigna
Setting
Facility
Modifier
Global
Typical Low
$158.49
Median
$158.49
Typical High
$158.49
Cigna
Setting
Professional
Modifier
Global
Typical Low
$75.86
Median
$107.15
Typical High
$165.96
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$97.72
Median
$120.23
Typical High
$165.96
United
Setting
Facility
Modifier
Global
Typical Low
$14.45
Median
$91.20
Typical High
$151.36
United
Setting
Professional
Modifier
Global
Typical Low
$70.79
Median
$104.71
Typical High
$194.98
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$83.18
Median
$120.23
Typical High
$147.91

Where Maryland 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.

Maryland· 44th of 51

$77.62

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.