Magnesium test cost in Hawaii
In Hawaii, 5 hospitals publish a cash price for magnesium blood test: from $13.20 to $61.10, with a median of $13.20. The lowest price is at Kapiolani Medical Center for Women & Children (Honolulu) and 3 other hospitals. The highest price is 4.6× 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 Hawaii, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Kapiolani Medical Center for Women & Children lowest Honolulu · Urban Honolulu, HI ASSAY OF MAGNESIUM | $13.20 | $22.00 | Feb 12, 2026 source file |
| Pali Momi Medical Center lowest Aiea · Urban Honolulu, HI ASSAY OF MAGNESIUM | $13.20 | $22.00 | Feb 12, 2026 source file |
| Straub Clinic & Hospital lowest Honolulu · Urban Honolulu, HI ASSAY OF MAGNESIUM | $13.20 | $22.00 | Feb 12, 2026 source file |
| Wilcox Memorial Hospital lowest Lihue · Kapaa, HI ASSAY OF MAGNESIUM | $13.20 | $22.00 | Feb 12, 2026 source file |
| Shriners Childrens - Honolulu Honolulu · Urban Honolulu, HI ASSAY OF MAGNESIUM | $61.10 | $61.10 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Urban Honolulu, HI | 4 | $13.20 | $13.20 |
| Kapaa, HI | 1 | $13.20 | $13.20 |
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
- 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
- Washington$49.20
- West Virginia$13.50
- Wisconsin$50.00
- Wyoming$13.96
Median cash price across the state's hospitals.