Lab tests CPT 83735 Inpatient — admitted to hospital

Magnesium test cost in Sebastian, FL — inpatient

In Sebastian-Vero Beach-West Vero Corridor, FL, 1 hospital lists a cash price for magnesium blood test as an inpatient: from $5.60 to $5.60, with a median of $5.60. Across Florida, the median is $13.20 at 81 hospitals.

Cash prices at 1 facility for code 83735, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$5.60Orlando Health Sebastian River Hospital
Median$5.60half pay less
Highest$5.60in 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 Sebastian-Vero Beach-West Vero Corridor, FL.

median
Lowest $5.60Highest $50.00

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Orlando Health Sebastian River Hospital lowest Sebastian, FL · (772) 589-3187 Hb Assay Of Magnesium - Magnesium Urine $5.60 $14.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital lowest Sebastian, FL · (772) 589-3187 Hb Assay Of Magnesium - Magnesium 24Hr Urine $5.60 $14.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital lowest Sebastian, FL · (772) 589-3187 Hb Assay Of Magnesium - Magnesium $5.60 $14.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital Sebastian, FL · (772) 589-3187 Hb Magnesium, Urine (Sup24)-Exc $6.00 $15.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital Sebastian, FL · (772) 589-3187 Hb Assay Of Magnesium-Ref $6.00 $15.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital Sebastian, FL · (772) 589-3187 Hb Magnesium, Stool-Ref $21.20 $53.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital Sebastian, FL · (772) 589-3187 Hb Magnesium,Rbc-Ref $42.40 $106.00 — 60% Apr 1, 2026
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Orlando Health Sebastian River Hospital Sebastian, FL · (772) 589-3187 Hb Magnesium,Rbc-Arup-Ref $50.00 $125.00 — 60% Apr 1, 2026
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Inpatient: lowest $5.60, median $5.60, highest $5.60.

As an outpatient, the same code is billed by 2 facilities here, median $8.98 — that is the price to compare if you are not being admitted.

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.