Phosphorus test cost in Manchester, NH — inpatient
In Manchester-Nashua, NH, 4 hospitals list a cash price for phosphorus (phosphate) blood test as an inpatient: from $25.53 to $61.80, with a median of $30.92. The lowest listed price is at Southern NH Medical Center — $5.39 less than the median here. Across New Hampshire, the median is $61.80 at 19 hospitals.
Cash prices at 4 facilities across 3 cities for code 84100, as an inpatient (admitted to hospital) . Collected Sep 27, 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 |
|---|---|---|---|---|
| Southern NH Medical Center lowest Nashua, NH · (603) 577-2000 HC ASSAY OF PHOSPHORUS INORGANIC File of Apr 1, 2026 · source file | $25.53 | $69.00 | — | 63% |
| St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC PHOSPHORUS SERUM+1 more line at this price source file | $29.64 | $76.00 | — | 61% |
| Elliot Hospital Manchester, NH · (603) 669-5300 Hc Assay Of Phosphorus Inorganic File of Apr 1, 2026 · source file | $32.19 | $87.00 | — | 63% |
| Monadnock Community Hospital Peterborough, NH · (603) 924-7191 PHOSPHOROUS INORG-SERUM File of Apr 1, 2026 · source file | $61.80 | $103.00 | — | 40% |
Inpatient: lowest $25.53, median $30.92, highest $61.80 — a 2.4× difference within the same market.
As an outpatient, the same code is billed by 4 facilities here, median $30.92 — that is the price to compare if you are not being admitted.
What it is
A phosphorus test measures phosphate in the blood. It is used with calcium for kidney disease, bone disease and parathyroid problems.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.