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Osmolality Test, Blood

Washington, DC 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?

$5.50

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

Insurers have agreed to pay about $5.50 for this service. The price depends on where it is billed: about $5.01 from a physician practice, and about $22.91 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$5.01$5.01 to $5.01
FacilityA hospital or hospital-owned outpatient department$22.91$12.02 to $44.67

How much rates vary

Facilitymedian $23 · 10th to 90th $5 to $76Professionalmedian $5 · 10th to 90th $5 to $22
$5$10$20$50facility $23professional $5

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
$5.01
Median
$23.44
Typical High
$75.86
Aetna
Setting
Professional
Modifier
Global
Typical Low
$5.01
Median
$5.01
Typical High
$5.01
CareFirst
Setting
Professional
Modifier
Global
Typical Low
$18.20
Median
$32.36
Typical High
$74.13
Cigna
Setting
Facility
Modifier
Global
Typical Low
$10.72
Median
$11.22
Typical High
$25.12
Cigna
Setting
Professional
Modifier
Global
Typical Low
$3.63
Median
$7.41
Typical High
$51.29
Kaiser Permanente
Setting
Professional
Modifier
Global
Typical Low
$12.88
Median
$12.88
Typical High
$13.49
United
Setting
Facility
Modifier
Global
Typical Low
$3.89
Median
$7.94
Typical High
$22.91
United
Setting
Professional
Modifier
Global
Typical Low
$2.75
Median
$4.17
Typical High
$10.96

Where Washington, DC 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.

Washington, DC· 51st of 51

$5.50

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.