Magnesium test cost in Rochester, NY — inpatient
In Rochester, NY, 5 hospitals list a cash price for magnesium blood test as an inpatient: from $24.24 to $29.83, with a median of $24.24. The lowest listed price is at Rochester General Hospital and 2 other hospitals. Across New York, the median is $27.88 at 64 hospitals.
Cash prices at 5 facilities across 4 cities 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.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Rochester, NY.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Rochester General Hospital lowest Rochester, NY · (585) 922-4000 HC MAGNESIUM | $24.24 | $37.29 | — | 35% | Apr 1, 2026 source file |
| Clifton Springs Hospital And Clinic lowest Clifton Springs, NY · (315) 462-9561 HC MAGNESIUM | $24.24 | $37.29 | — | 35% | Apr 1, 2026 source file |
| Newark-Wayne Community Hospital lowest Newark, NY · (315) 332-2022 HC MAGNESIUM | $24.24 | $37.29 | — | 35% | Apr 1, 2026 source file |
| Nicholas H. Noyes Memorial Hospital Dansville, NY · (585) 335-6001 CHG ASSAY OF MAGNESIUM | $26.83 | $45.00 | — | 40% | — source file |
| The Unity Hospital of Rochester Rochester, NY · (585) 723-7000 HC MAGNESIUM | $29.83 | $37.29 | — | 20% | Apr 1, 2026 source file |
Inpatient: lowest $24.24, median $24.24, highest $29.83 — a 1.2× difference within the same market.
As an outpatient, the same code is billed by 8 facilities here, median $24.24 — 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.