Phosphorus test cost in Sioux Falls, SD
In Sioux Falls, SD-MN, 3 hospitals list a cash price for phosphorus (phosphate) blood test: from $27.20 to $85.00, with a median of $36.80. The lowest listed price is at Sanford Luverne Medical Center — $9.60 less than the median here. Across South Dakota, the median is $55.80 at 17 hospitals.
Cash prices at 3 facilities across 3 cities for code 84100, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Mar 4, 2026 and Apr 30, 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 Sioux Falls, SD-MN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Sanford Luverne Medical Center lowest Luverne, MN · (507) 283-2321 ASSAY OF PHOSPHORUS INORGANIC 84100 | $27.20 | $34.00 | $8.23–$32.16 | 20% | Mar 4, 2026 source file |
| Sanford Canton Inwood Medical Center Canton, SD · (605) 764-1500 ASSAY OF PHOSPHORUS INORGANIC 84100 | $36.80 | $46.00 | $15.73–$41.40 | 20% | Mar 4, 2026 source file |
| Pioneer Memorial Hospital - Cah Viborg, SD · (605) 326-5161 ASSAY OF PHOSPHORUS INORGANIC 84100 | $85.00 | $85.00 | $29.75–$81.60 | — | Apr 30, 2026 source file |
Outpatient: lowest $27.20, median $36.80, highest $85.00 — a 3.1× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $36.80. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 2 of 3 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.