Magnesium test cost in Kalispell, MT — inpatient
In Kalispell, MT, 2 hospitals list a cash price for magnesium blood test as an inpatient: from $11.70 to $15.76, with a median of $13.73. The lowest listed price is at Logan Health Medical Center — $2.03 less than the median here. Across Montana, the median is $61.38 at 22 hospitals.
Cash prices at 2 facilities across 2 cities for code 83735, as an inpatient (admitted to hospital) . Collected Sep 29, 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 Kalispell, MT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Logan Health Medical Center lowest Kalispell, MT · (406) 752-5111 ASSAY MAGNESIUM | $11.70 | $18.00 | — | 35% | Apr 1, 2026 source file |
| Logan Health - Whitefish Whitefish, MT · (406) 863-3550 REF-LITHOLINK MAGNESIUM, UR | $15.76 | $24.25 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 REF-LITHOLINK MAGNESIUM, UR | $17.39 | $26.75 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 CHEM-MAGNESIUM | $35.75 | $55.00 | — | 35% | Apr 1, 2026 source file |
| Logan Health Medical Center Kalispell, MT · (406) 752-5111 REF- LABCORP MAGNESIUM, RBC | $47.45 | $73.00 | — | 35% | Apr 1, 2026 source file |
Inpatient: lowest $11.70, median $13.73, highest $15.76 — a 1.3× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $13.73 — 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.