Magnesium test cost in Fremont, MI — inpatient
In Fremont, MI, 1 hospital lists a cash price for magnesium blood test as an inpatient: from $20.00 to $20.00, with a median of $20.00. Across Michigan, the median is $23.35 at 60 hospitals.
Cash prices at 1 facility for code 83735, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Corewell Health Gerber Hospital Fremont, MI · (231) 924-3300 Hc Assay Of Magnesium | $20.00 | $20.00 | — | — | — source file |
Inpatient: lowest $20.00, median $20.00, highest $20.00.
As an outpatient, the same code is billed by 1 facility here, median $20.00 — 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.