Phosphorus test cost in Lexington, KY
In Lexington-Fayette, KY, 9 hospitals list a cash price for phosphorus (phosphate) blood test: from $35.80 to $113.78, with a median of $53.39. The lowest listed price is at University of Kentucky Hospital — $17.59 less than the median here. Across Kentucky, the median is $52.25 at 78 hospitals.
Cash prices at 9 facilities across 6 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 Feb 28, 2026 and Sep 17, 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 Lexington-Fayette, KY.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| University of Kentucky Hospital lowest Lexington, KY · (859) 257-2278 Hc Phosphorus | $35.80 | $89.50 | — | 60% | Apr 1, 2026 source file |
| Clark Regional Medical Center Winchester, KY · (859) 737-8559 Phosphorus inorganic (phosphate) | $38.99 | $97.48 | $4.03 | 60% | — source file |
| Saint Joseph East Lexington, KY · (859) 967-5000 HC LAB PHOSPHORUS | $42.58 | $106.00 | $4.03–$96.46 | 60% | Feb 28, 2026 source file |
| Saint Joseph Hospital Lexington, KY · (859) 313-1000 HC LAB PHOSPHORUS | $49.94 | $106.00 | $4.03–$96.46 | 53% | Feb 28, 2026 source file |
| CHI Saint Joseph Health - Saint Joseph Jessamine Nicholasville, KY · (859) 313-1000 HC LAB PHOSPHORUS | $53.39 | $106.00 | $4.03–$96.46 | 50% | Feb 28, 2026 source file |
| Baptist Health Lexington Lexington, KY · (859) 260-6100 Phosphate level | $58.32 | $77.76 | $4.03–$158.09 | 25% | Sep 17, 2026 source file |
| Bluegrass Community Hospital Versailles, KY · (859) 879-2300 Phosphorus inorganic (phosphate) | $58.48 | $146.19 | $4.03 | 60% | — source file |
| Bourbon Community Hospital Paris, KY · (859) 987-3600 Phosphorus inorganic (phosphate) | $82.70 | $206.75 | $4.03 | 60% | — source file |
| Georgetown Community Hospital Georgetown, KY · (502) 868-1100 Phosphorus inorganic (phosphate) | $113.78 | $284.45 | $4.03 | 60% | — source file |
Outpatient: lowest $35.80, median $53.39, highest $113.78 — a 3.2× difference within the same market.
As an inpatient, the same code is billed by 5 facilities here, median $42.58. 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 4 of 8 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.