Phosphorus test cost in Fort Wayne, IN
In Fort Wayne, IN, 8 hospitals list a cash price for phosphorus (phosphate) blood test: from $24.24 to $67.44, with a median of $28.50. The lowest listed price is at St. Joseph Health System — $4.26 less than the median here. Across Indiana, the median is $29.79 at 86 hospitals.
Cash prices at 8 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 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 Fort Wayne, IN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St. Joseph Health System lowest Fort Wayne, IN · (260) 425-3000 84100 PHOSPHORUS, BLOOD | $24.24 | $101.00 | $4.19–$101.00 | 76% | Apr 1, 2026 source file |
| St. Joseph Health System lowest Fort Wayne, IN · (260) 425-3000 Phosphorus Serum | $24.24 | $101.00 | $4.19–$101.00 | 76% | Apr 1, 2026 source file |
| Parkview Whitley Hospital Columbia City, IN · (260) 248-9301 HC PHOSPHOROUS | $27.00 | $54.00 | — | 50% | — source file |
| Lutheran Musculoskeletal Center – The Orthopedic Hospital Fort Wayne, IN Phosphorus Serum | $28.08 | $104.00 | $4.19–$104.00 | 73% | Apr 1, 2026 source file |
| Lutheran Musculoskeletal Center – The Orthopedic Hospital Fort Wayne, IN 84100 PHOSPHORUS, BLOOD | $28.08 | $104.00 | $4.19–$104.00 | 73% | Apr 1, 2026 source file |
| Lutheran Hospital of Indiana Fort Wayne, IN · (260) 435-7001 Phosphorus Serum | $28.50 | $95.00 | $4.19–$85.50 | 70% | Apr 1, 2026 source file |
| Lutheran Hospital of Indiana Fort Wayne, IN · (260) 435-7001 84100 PHOSPHORUS, BLOOD | $28.50 | $95.00 | $4.19–$85.50 | 70% | Apr 1, 2026 source file |
| Parkview Ortho Hospital Fort Wayne, IN HC PHOSPHOROUS | $28.50 | $57.00 | — | 50% | — source file |
| Parkview Regional Medical Center Fort Wayne, IN · (260) 266-1195 HC PHOSPHOROUS | $28.50 | $57.00 | — | 50% | — source file |
| Dupont Hospital Fort Wayne, IN · (260) 416-3000 84100 PHOSPHORUS, BLOOD | $30.78 | $114.00 | $4.19–$102.60 | 73% | Apr 1, 2026 source file |
| Dupont Hospital Fort Wayne, IN · (260) 416-3000 Phosphorus Serum | $30.78 | $114.00 | $4.19–$102.60 | 73% | Apr 1, 2026 source file |
| Bluffton Regional Medical Center Bluffton, IN · (260) 824-3210 84100 PHOSPHORUS, BLOOD | $67.44 | $281.00 | $4.19–$252.90 | 76% | Apr 1, 2026 source file |
| Bluffton Regional Medical Center Bluffton, IN · (260) 824-3210 Phosphorus Serum | $67.44 | $281.00 | $4.19–$252.90 | 76% | Apr 1, 2026 source file |
Outpatient: lowest $24.24, median $28.50, highest $67.44 — a 2.8× difference within the same market.
As an inpatient, the same code is billed by 8 facilities here, median $31.35. 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 5 of 5 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.