Lab tests CPT 84100 Inpatient — admitted to hospital

Phosphorus test cost in Greenville, SC — inpatient

In Greenville-Anderson-Greer, SC, 2 hospitals list a cash price for phosphorus (phosphate) blood test as an inpatient: from $14.40 to $14.40, with a median of $14.40. The lowest listed price is at St Francis Downtown Hospital and 1 other hospital. Across South Carolina, the median is $48.28 at 38 hospitals.

Cash prices at 2 facilities for code 84100, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$14.40St Francis Downtown Hospital + 1 more
Median$14.40half pay less
Highest$14.40in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Greenville-Anderson-Greer, SC.

median
Lowest $14.40Highest $72.60

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St Francis Downtown Hospital lowest Greenville, SC · (800) 805-5678 HC So Phosphorus Inorganic $14.40 $24.00 — 40% —
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St Francis-Eastside lowest Greenville, SC HC So Phosphorus Inorganic $14.40 $24.00 — 40% —
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St Francis Downtown Hospital Greenville, SC · (800) 805-5678 HC Assay of Phosphorus Inorganic $72.60 $121.00 — 40% —
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St Francis-Eastside Greenville, SC HC Assay of Phosphorus Inorganic $72.60 $121.00 — 40% —
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Inpatient: lowest $14.40, median $14.40, highest $14.40.

As an outpatient, the same code is billed by 5 facilities here, median $39.10 — 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.