Magnesium test cost in Columbia, SC — inpatient
In Columbia, SC, 3 hospitals list a cash price for magnesium blood test as an inpatient: from $21.00 to $23.00, with a median of $23.00. The lowest listed price is at Kershaw Medical Center — $2.00 less than the median here. Across South Carolina, the median is $21.50 at 19 hospitals.
Cash prices at 3 facilities across 2 cities for code 83735, as an inpatient (admitted to hospital) . 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 Columbia, SC.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Kershaw Medical Center lowest Camden, SC · (803) 432-4311 HB MAGRU MAG URINE (SEND OUT) | $21.00 | $42.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGRU MAG URINE (SEND OUT) | $23.00 | $46.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGRU MAG URINE (SEND OUT) | $23.00 | $46.00 | — | 50% | Apr 1, 2026 source file |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB MAG/CREAT U (SEND OUT) | $25.50 | $51.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAG/CREAT U (SEND OUT) | $27.50 | $55.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAG/CREAT U (SEND OUT) | $27.50 | $55.00 | — | 50% | Apr 1, 2026 source file |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB MAGNESIUM URINE (SEND OUT) | $38.50 | $77.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGNESIUM URINE (SEND OUT) | $42.00 | $84.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGNESIUM URINE (SEND OUT) | $42.00 | $84.00 | — | 50% | Apr 1, 2026 source file |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB MAGNESIUM STONE (SEND OUT) | $42.50 | $85.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGNESIUM URINE 24 HOUR (SEND OUT) | $43.50 | $87.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGNESIUM URINE 24 HOUR (SEND OUT) | $43.50 | $87.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGNESIUM STONE (SEND OUT) | $46.00 | $92.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGNESIUM STONE (SEND OUT) | $46.00 | $92.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGNESIUM | $51.50 | $103.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGNESIUM URINE 24 HR | $51.50 | $103.00 | — | 50% | Apr 1, 2026 source file |
| Musc Health Columbia Medical Center Downtown Columbia, SC · (803) 256-5300 HB MAGNESIUM | $51.50 | $103.00 | — | 50% | Apr 1, 2026 source file |
| MUSC Health Columbia Medical Center Northeast Columbia, SC HB MAGNESIUM URINE 24 HR | $51.50 | $103.00 | — | 50% | Apr 1, 2026 source file |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB MAGNESIUM | $74.00 | $148.00 | — | 50% | Apr 1, 2026 source file |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB MAGNESIUM URINE 24 HOUR (SEND OUT) | $392.00 | $784.00 | — | 50% | Apr 1, 2026 source file |
Inpatient: lowest $21.00, median $23.00, highest $23.00 — a 1.1× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $23.00 — that is the price to compare if you are not being admitted.
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.