Magnesium test cost in Manchester, NH
In Manchester-Nashua, NH, 3 hospitals list a cash price for magnesium blood test: from $18.54 to $51.80, with a median of $40.17. The lowest listed price is at Monadnock Community Hospital — $21.63 less than the median here. Across New Hampshire, the median is $32.19 at 6 hospitals.
Cash prices at 3 facilities across 3 cities for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 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 Manchester-Nashua, NH.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Monadnock Community Hospital lowest Peterborough, NH · (603) 924-7191 MAGNESIUM URINE-STONE | $18.54 | $30.90 | — | 40% | Apr 1, 2026 source file |
| St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC MAGNESIUM | $40.17 | $103.00 | — | 61% | — source file |
| St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC SO MAGNESIUM | $40.17 | $103.00 | — | 61% | — source file |
| St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC SO1 MAGNESIUM | $40.17 | $103.00 | — | 61% | — source file |
| Elliot Hospital Manchester, NH · (603) 669-5300 Hc Assay Of Magnesium | $51.80 | $140.00 | — | 63% | Apr 1, 2026 source file |
| Monadnock Community Hospital Peterborough, NH · (603) 924-7191 MAGNESIUM URINE | $58.71 | $97.85 | — | 40% | Apr 1, 2026 source file |
| Monadnock Community Hospital Peterborough, NH · (603) 924-7191 MAGNESIUM RBC | $58.71 | $97.85 | — | 40% | Apr 1, 2026 source file |
| Monadnock Community Hospital Peterborough, NH · (603) 924-7191 MAGNESIUM | $58.71 | $97.85 | — | 40% | Apr 1, 2026 source file |
Outpatient: lowest $18.54, median $40.17, highest $51.80 — a 2.8× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $40.17. 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.