Lab tests CPT 83735 Outpatient

Magnesium test cost in Roanoke, VA

In Roanoke, VA, 1 hospital lists a cash price for magnesium blood test: from $10.80 to $10.80, with a median of $10.80. Across Virginia, the median is $11.85 at 37 hospitals.

Cash prices at 1 facility for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$10.80Bon Secours Southampton Memorial Hospital
Median$10.80half pay less
Highest$10.80in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Roanoke, VA.

median
Lowest $10.80Highest $58.50

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Bon Secours Southampton Memorial Hospital lowest Franklin, VA · (757) 569-6100 HC So2 Magnesium $10.80 $36.00 — 70% —
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Bon Secours Southampton Memorial Hospital Franklin, VA · (757) 569-6100 HC So Magnesium $12.00 $40.00 — 70% —
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Bon Secours Southampton Memorial Hospital Franklin, VA · (757) 569-6100 HC Assay of Magnesium $58.50 $195.00 — 70% —
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Outpatient: lowest $10.80, median $10.80, highest $10.80.

As an inpatient, the same code is billed by 1 facility here, median $10.80. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

What it is

A magnesium test measures the level of magnesium in the blood. Doctors order it for muscle cramps or weakness, an irregular heartbeat, low potassium or calcium that does not correct, and for people on diuretics, long-term acid-reducing drugs or with kidney disease.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.