Magnesium test cost in Iowa
In Iowa, 37 hospitals publish a cash price for Magnesium blood test: from $10.08 to $123.00, with a median of $43.80. The lowest price is at Alegent Health - Mercy Hospital, Corning Iowa (Corning). The highest price is 12.2× 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.
Lowest$10.08Alegent Health - Mercy Hospital, Corning Iowa
Median$43.80half pay less
Highest$123.00in Iowa
Lowest saves$33.72vs the median
Hospitals in Iowa, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Alegent Health - Mercy Hospital, Corning Iowa lowest Corning · Corning, IA HC RHC MAGNESIUM | $10.08 | $21.00 | Feb 28, 2026 source file |
| Alegent Health Community Memorial Hospital of Missouri Valley, Iowa Missouri Valley · Omaha, NE-IA HC RHC MAGNESIUM | $10.29 | $21.00 | Feb 28, 2026 source file |
| Buena Vista Regional Medical Center Storm Lake · Storm Lake, IA ASSAY OF MAGNESIUM | $10.40 | $13.00 | — source file |
| Allen Memorial Hospital Corporation Waterloo · Waterloo-Cedar Falls, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Central Iowa Hospital Corporation Des Moines · Des Moines-West Des Moines, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Grinnell Regional Medical Center Grinnell · Grinnell, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Northwest Iowa Hospital Corporation Sioux City · Sioux City, IA-NE-SD ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| St Luke's Methodist Hospital Cedar Rapids · Cedar Rapids, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| St Luke'sJones Regional Medical Center Anamosa · Cedar Rapids, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| The Finley Hospital Dubuque · Dubuque, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Trinity Medical Center Bettendorf · Davenport-Moline-Rock Island, IA-IL ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Trinity Regional Medical Center Fort Dodge · Fort Dodge, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Unity Healthcare Muscatine · Muscatine, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| UnityPoint Health Marshalltown Marshalltown · Marshalltown, IA ASSAY OF MAGNESIUM | $16.80 | $21.00 | Jan 28, 2026 source file |
| Jennie Edmundson Memorial Hospital Council Bluffs · Omaha, NE-IA Magnesium Urine (Timed or Random) | $19.20 | $64.00 | Feb 15, 2026 source file |
| MercyOne Genesis DeWitt Medical Center Dewitt · Clinton, IA Magnesium Urine - Sendout | $22.20 | $37.00 | Mar 31, 2026 source file |
| Covenant Medical Center Inc Waterloo · Waterloo-Cedar Falls, IA HC Magnesium | $31.85 | $49.00 | Mar 31, 2026 source file |
| Sartori Memorial Hospital Inc Cedar Falls · Waterloo-Cedar Falls, IA HC Magnesium | $36.40 | $56.00 | Mar 31, 2026 source file |
| MercyOne Genesis Davenport West Medical Center Davenport · Davenport-Moline-Rock Island, IA-IL GHS MAGNESIUM,RBC | $43.80 | $73.00 | Mar 31, 2026 source file |
| Gundersen Palmer Lutheran Hospital and Clinic Inc West Union · West Union, IA MAGNESIUM | $45.74 | $77.00 | Jun 27, 2026 source file |
| MercyOne Genesis Davenport Medical Center Davenport · Davenport-Moline-Rock Island, IA-IL Magnesium, 24-Hour Urine (W/O Creatinine) - Quest | $48.60 | $81.00 | Mar 31, 2026 source file |
| Sanford Sheldon Medical Center Sheldon · Sheldon, IA MAGNESIUM 83735 | $50.40 | $63.00 | Mar 4, 2026 source file |
| Alegent Health Bergan Mercy Health System Council Bluffs · Omaha, NE-IA HC MAGNESIUM | $63.00 | $150.00 | Feb 28, 2026 source file |
| Mercy Medical Center - Dubuque Dubuque · Dubuque, IA HC Warde Magnesium RBC | $68.25 | $105.00 | Mar 31, 2026 source file |
| Mercy Medical Center-Clinton Inc Clinton · Clinton, IA HC Warde Magnesium RBC | $68.90 | $106.00 | Mar 31, 2026 source file |
| Central Community Hospital Elkader · Elkader, IA HC Magnesium 24 Hour Urine | $69.55 | $107.00 | Mar 31, 2026 source file |
| Mercy Hospital of Franciscan Sisters Inc Oelwein · Oelwein, IA HC Magnesium 24 Hour Urine | $69.55 | $107.00 | Mar 31, 2026 source file |
| Mercy Medical Center - Dyersville Dyersville · Dubuque, IA HC Magnesium 24 Hour Urine | $69.55 | $107.00 | Mar 31, 2026 source file |
| Mercy Medical Center - New Hampton New Hampton · New Hampton, IA HC Magnesium | $69.55 | $107.00 | Mar 31, 2026 source file |
| Mercy Medical Center - Newton Newton · Des Moines-West Des Moines, IA HC Magnesium | $69.55 | $107.00 | Mar 31, 2026 source file |
| Mercy Health Services-Iowa Corp. Mason City · Mason City, IA HC Warde 3400288 Magnesium Urine | $70.85 | $109.00 | Mar 31, 2026 source file |
| Avera Holy Family Hospital Estherville · Estherville, IA | $71.78 | $74.00 | — source file |
| Avera Merrill Pioneer Rock Rapids · Rock Rapids, IA | $71.78 | $74.00 | — source file |
| Winneshiek Medical Center Decorah · Decorah, IA Magnesium level | $77.00 | $110.00 | Jul 17, 2026 source file |
| Catholic Health Initiatives-Iowa Corp Des Moines · Des Moines-West Des Moines, IA HC Magnesium Urine | $79.95 | $123.00 | Mar 31, 2026 source file |
| St. Joseph's Mercy Hospital, Centerville Centerville · Centerville, IA HC Magnesium 24 Hour Urine | $107.00 | $107.00 | Mar 31, 2026 source file |
| Catholic Health Initiatives-Iowa Corp West Des Moines · Des Moines-West Des Moines, IA HC Mayo Efpo Magnesium Stool | $123.00 | $123.00 | Mar 31, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Des Moines-West Des Moines, IA | 4 | $16.80 | $74.75 |
| Davenport-Moline-Rock Island, IA-IL | 3 | $16.80 | $43.80 |
| Dubuque, IA | 3 | $16.80 | $68.25 |
| Omaha, NE-IA | 3 | $10.29 | $19.20 |
| Waterloo-Cedar Falls, IA | 3 | $16.80 | $31.85 |
| Clinton, IA | 2 | $22.20 | $45.55 |
| Cedar Rapids, IA | 1 | $16.80 | $16.80 |
| Centerville, IA | 1 | $107.00 | $107.00 |
| Corning, IA | 1 | $10.08 | $10.08 |
| Cedar Rapids, IA | 1 | $16.80 | $16.80 |
| Decorah, IA | 1 | $77.00 | $77.00 |
| Elkader, IA | 1 | $69.55 | $69.55 |
| Estherville, IA | 1 | $71.78 | $71.78 |
| Fort Dodge, IA | 1 | $16.80 | $16.80 |
| Grinnell, IA | 1 | $16.80 | $16.80 |
| Marshalltown, IA | 1 | $16.80 | $16.80 |
| Mason City, IA | 1 | $70.85 | $70.85 |
| Muscatine, IA | 1 | $16.80 | $16.80 |
| New Hampton, IA | 1 | $69.55 | $69.55 |
| Oelwein, IA | 1 | $69.55 | $69.55 |
| Rock Rapids, IA | 1 | $71.78 | $71.78 |
| Sheldon, IA | 1 | $50.40 | $50.40 |
| Sioux City, IA-NE-SD | 1 | $16.80 | $16.80 |
| Storm Lake, IA | 1 | $10.40 | $10.40 |
| West Union, IA | 1 | $45.74 | $45.74 |
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
- 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.