Magnesium test cost in Grand Rapids, MI
In Grand Rapids-Wyoming-Kentwood, MI, 4 hospitals list a cash price for Magnesium blood test: from $20.00 to $27.00, with a median of $23.50. The lowest listed price is at Corewell Health Zeeland Community Hospital and 1 other hospital — $3.50 less than the median here. Across Michigan, the median is $23.35 at 60 hospitals.
Cash prices at 4 facilities across 4 cities 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 —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Grand Rapids-Wyoming-Kentwood, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Corewell Health Zeeland Community Hospital lowest Zeeland, MI Hc Assay Of Magnesium | $20.00 | $20.00 | — | — | — source file |
| Corewell Health Greenville Hospital lowest Greenville, MI Hc Assay Of Magnesium | $20.00 | $20.00 | — | — | — source file |
| Corewell Health Butterworth Hospital Grand Rapids, MI Hc Assay Of Magnesium | $27.00 | $27.00 | — | — | — source file |
| Corewell Health Butterworth Hospital Grand Rapids, MI Hc Assay Of Magnesium | $27.00 | $27.00 | — | — | — source file |
| Corewell Health Blodgett Hospital East Grand Rapids, MI Hc Assay Of Magnesium | $27.00 | $27.00 | — | — | — source file |
Outpatient: lowest $20.00, median $23.50, highest $27.00 — a 1.4× difference within the same market.
As an inpatient, the same code is billed by 5 facilities here, median $20.00. 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.