Magnesium test cost in Centralia, WA
In Centralia, WA, 1 hospital lists a cash price for Magnesium blood test: from $45.24 to $45.24, with a median of $45.24. Across Washington, the median is $49.20 at 33 hospitals.
Cash prices at 1 facility 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 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 Centralia, WA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Providence Health And Services - Washington lowest Centralia, WA HC ASSAY OF MAGNESIUM LAB | $45.24 | $87.00 | — | 48% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Centralia, WA HC ASSAY OF MAGNESIUM CDM | $55.64 | $107.00 | — | 48% | Apr 1, 2026 source file |
| Providence Health And Services - Washington Centralia, WA HC MAGNESIUM QUANT URINE | $85.80 | $165.00 | — | 48% | Apr 1, 2026 source file |
Outpatient: lowest $45.24, median $45.24, highest $45.24.
As an inpatient, the same code is billed by 1 facility here, median $45.24. 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.