Magnesium test cost in Morrilton, AR — inpatient
In Morrilton, AR, 1 hospital lists a cash price for magnesium blood test as an inpatient: from $11.98 to $11.98, with a median of $11.98. Across Arkansas, the median is $31.99 at 28 hospitals.
Cash prices at 1 facility for code 83735, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 2026.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St Anthony's Hospital Association Morrilton, AR · (501) 977-2300 MAGNESIUM SERUM | $11.98 | $47.00 | — | 75% | Feb 28, 2026 source file |
Inpatient: lowest $11.98, median $11.98, highest $11.98.
As an outpatient, the same code is billed by 1 facility here, median $11.98 — 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.