Magnesium test cost in Shreveport, LA
In Shreveport-Bossier City, LA, 1 hospital lists a cash price for magnesium blood test: from $16.08 to $16.08, with a median of $16.08. Across Louisiana, the median is $25.28 at 29 hospitals.
Cash prices at 1 facility for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 28, 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 Shreveport-Bossier City, LA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Willis Knighton Medical Center lowest Shreveport, LA · (318) 212-4000 Stone Risk Magnesiump-Dia | $16.08 | $20.10 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center lowest Shreveport, LA · (318) 212-4000 Elect Qt Feces Magnesiump-M | $16.08 | $20.10 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center Shreveport, LA · (318) 212-4000 Magnesium | $32.40 | $40.50 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center Shreveport, LA · (318) 212-4000 Supersat Magnesium Urp-M | $32.40 | $40.50 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center Shreveport, LA · (318) 212-4000 Magnesium Random Urine-M | $33.50 | $41.88 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center Shreveport, LA · (318) 212-4000 Magnesium Rbc-M | $44.20 | $55.25 | — | 20% | Apr 1, 2026 source file |
| Willis Knighton Medical Center Shreveport, LA · (318) 212-4000 Kid Stone Ur Magnesiump-Lc | $59.90 | $74.88 | — | 20% | Apr 1, 2026 source file |
Outpatient: lowest $16.08, median $16.08, highest $16.08.
As an inpatient, the same code is billed by 1 facility here, median $16.08. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.