Lab tests CPT 84100 Inpatient — admitted to hospital

Phosphorus test cost in Amarillo, TX — inpatient

In Amarillo, TX, 2 hospitals list a cash price for phosphorus (phosphate) blood test as an inpatient: from $23.30 to $23.30, with a median of $23.30. The lowest listed price is at BSA Hospital and 1 other hospital. Across Texas, the median is $62.87 at 300 hospitals.

Cash prices at 2 facilities for code 84100, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between — and —.

Lowest$23.30BSA Hospital + 1 more
Median$23.30half of hospitals charge less
Highest$23.30in 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 Amarillo, TX.

median
Lowest $23.30Highest $23.30

Hospitals, cheapest first

HospitalCash priceList priceInsurers payOff list
BSA Hospital lowest Amarillo, TX · (806) 212-2000 Phosphate level source file $23.30 $233.00 $3.98–$198.05 90%
Harrington Cancer Center lowest Amarillo, TX Phosphate level source file $23.30 $233.00 $3.98–$198.05 90%
Hospital The hospital that published the price, its city and the line exactly as written in its price file.
Cash price The hospital's own price for a patient paying without insurance (“discounted cash” in its price file). Hospitals must publish it under federal law, 45 CFR 180.50. Call to confirm it before booking. More
List price The hospital's full chargemaster price (“gross charge”) before any discount. Almost nobody pays it; the gap to the cash price shows what the self-pay discount is worth. More
Insurers pay The lowest and highest rates this hospital has agreed with insurance plans for the same item, from its price file. If the cash price is below what your plan pays and you have not met your deductible, paying cash can cost you less. More
Off list How much lower the cash price is than the list price.

Inpatient: lowest $23.30, median $23.30, highest $23.30.

As an outpatient, the same code is billed by 2 facilities here, median $23.30 — that is the price to compare if you are not being admitted.

Cash or insurance?

At 2 of 2 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.