Lab tests CPT 84100 Inpatient — admitted to hospital

Phosphorus test cost in Monroe, LA — inpatient

In Monroe, LA, 1 hospital lists a cash price for phosphorus (phosphate) blood test as an inpatient: from $16.35 to $16.35, with a median of $16.35. Across Louisiana, the median is $16.78 at 56 hospitals.

Cash prices at 1 facility for code 84100, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$16.35Ochsner LSU Health Monroe
Median$16.35half pay less
Highest$16.35in 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 Monroe, LA.

median
Lowest $16.35Highest $16.35

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Ochsner LSU Health Monroe lowest Monroe, LA · (318) 388-7000 HC PHOSPHORUS $16.35 $71.10 — 77% —
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Ochsner LSU Health Monroe lowest Monroe, LA · (318) 388-7000 HC PHOSPHORUS, FECES $16.35 $71.10 — 77% —
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Inpatient: lowest $16.35, median $16.35, highest $16.35.

As an outpatient, the same code is billed by 6 facilities here, median $16.18 — 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.