Magnesium test cost in Washington
In Washington, 33 hospitals publish a cash price for magnesium blood test: from $4.74 to $100.40, with a median of $49.20. The lowest price is at Legacy Salmon Creek Medical Center (Vancouver). The highest price is 21.2× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 83735. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.
Hospitals in Washington, cheapest first
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Seattle-Tacoma-Bellevue, WA | 15 | $14.06 | $48.48 |
| Spokane-Spokane Valley, WA | 4 | $26.60 | $42.52 |
| Mount Vernon-Anacortes, WA | 2 | $64.35 | $70.18 |
| Portland-Vancouver-Hillsboro, OR-WA | 2 | $4.74 | $48.20 |
| Bellingham, WA | 1 | $78.65 | $78.65 |
| Bremerton-Silverdale-Port Orchard, WA | 1 | $61.45 | $61.45 |
| Centralia, WA | 1 | $45.24 | $45.24 |
| Friday Harbor, WA | 1 | $64.35 | $64.35 |
| Kennewick-Richland, WA | 1 | $73.50 | $73.50 |
| Longview-Kelso, WA | 1 | $94.25 | $94.25 |
| Olympia-Lacey-Tumwater, WA | 1 | $55.64 | $55.64 |
| Port Townsend, WA | 1 | $52.00 | $52.00 |
| Walla Walla, WA | 1 | $9.10 | $9.10 |
| Wenatchee-East Wenatchee, WA | 1 | $28.80 | $28.80 |
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.
Magnesium blood test in other states
- Alabama$71.78
- Alaska$71.76
- Arizona$10.04
- Arkansas$35.18
- California$106.08
- Colorado$42.56
- Connecticut$28.60
- Delaware$67.90
- Florida$13.20
- Georgia$83.85
- Hawaii$13.20
- Idaho$30.00
- Illinois$48.60
- Indiana$50.71
- Iowa$43.80
- Kansas$61.10
- Kentucky$83.86
- Louisiana$24.31
- Maine$41.27
- Maryland$17.62
- Massachusetts$32.42
- Michigan$23.35
- Minnesota$19.65
- Mississippi$8.80
- Missouri$36.63
- Montana$52.80
- Nebraska$24.42
- Nevada$59.81
- New Hampshire$32.19
- New Jersey$7.71
- New Mexico$76.20
- New York$27.88
- North Carolina$58.00
- North Dakota$12.81
- Ohio$33.30
- Oklahoma$32.50
- Oregon$30.00
- Pennsylvania$34.00
- Puerto Rico$10.00
- Rhode Island$52.70
- South Carolina$21.50
- South Dakota$37.60
- Tennessee$11.85
- Texas$22.05
- Utah$65.69
- Vermont$56.35
- Virginia$11.85
- West Virginia$13.50
- Wisconsin$50.00
- Wyoming$13.96
Median cash price across the state's hospitals.