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Osmolality Test, Blood

Maryland rates for HCPCS 83930

This test measures the concentration of dissolved particles, such as salts and sugars, in a blood sample. It helps evaluate hydration status, sodium and water balance, and certain causes of confusion or abnormal lab findings, including some toxic exposures. It is a straightforward blood draw with results reported as a concentration measurement.

Rates data updated July 2026.

How much does Osmolality Test, Blood cost?

$8.13

Typical negotiated rate. In Maryland, July 2026.

Insurers have agreed to pay about $8.13 for this service. The price depends on where it is billed: about $5.75 from a physician practice, and about $26.92 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$5.75$4.90 to $6.61
FacilityA hospital or hospital-owned outpatient department$26.92$22.39 to $31.62

How much rates vary

Facilitymedian $27 · 10th to 90th $5 to $43Professionalmedian $6 · 10th to 90th $4 to $26
$5$10$20$50$100facility $27professional $6

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
$6.17
Median
$26.92
Typical High
$42.66
Aetna
Setting
Professional
Modifier
Global
Typical Low
$4.90
Median
$5.75
Typical High
$25.70
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$1.95
Median
$5.25
Typical High
$6.46
Cigna
Setting
Facility
Modifier
Global
Typical Low
$3.47
Median
$4.57
Typical High
$8.51
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$6.76
Typical High
$16.22
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$6.61
Median
$7.94
Typical High
$12.88
United
Setting
Facility
Modifier
Global
Typical Low
$2.75
Median
$4.27
Typical High
$15.14
United
Setting
Professional
Modifier
Global
Typical Low
$2.95
Median
$3.98
Typical High
$6.17
Wellpoint
Setting
Professional
Modifier
Global
Typical Low
$2.57
Median
$4.57
Typical High
$10.00

Where Maryland sits

The same service costs 10.7 times more in West Virginia than in Washington, DC. 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· 29th of 51

$8.13

WV $58.88DC $5.50

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.