Magnesium test cost in Friday Harbor, WA
In Friday Harbor, WA, 1 hospital lists a cash price for magnesium blood test: from $64.35 to $64.35, with a median of $64.35. 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 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 |
|---|---|---|---|---|---|
| PeaceHealth Peace Island Medical Center Friday Harbor, WA MAGNESIUM LEVEL | $64.35 | $99.00 | — | 35% | — source file |
Outpatient: lowest $64.35, median $64.35, highest $64.35.
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.