Lab tests CPT 84100 Outpatient

Phosphorus test cost in Brownwood, TX

In Brownwood, TX, 1 hospital lists a cash price for phosphorus (phosphate) blood test: from $199.13 to $199.13, with a median of $199.13. Across Texas, the median is $62.87 at 300 hospitals.

Cash prices at 1 facility for code 84100, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Dec 8, 2025 and Dec 8, 2025.

Lowest$199.13Hendrick Medical Center Brownwood
Median$199.13half pay less
Highest$199.13in 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 Brownwood, TX.

median
Lowest $199.13Highest $242.63

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Hendrick Medical Center Brownwood lowest Brownwood, TX · (325) 646-8541 PHOSPHORUS, SERUM [] $199.13 $199.13 $4.74–$179.22 — Dec 8, 2025
source file
Hendrick Medical Center Brownwood Brownwood, TX · (325) 646-8541 PHOSPHORUS $242.63 $242.63 $4.74–$218.37 — Dec 8, 2025
source file

Outpatient: lowest $199.13, median $199.13, highest $199.13.

As an inpatient, the same code is billed by 1 facility here, median $199.13. 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 the one hospital here that publishes insurer rates for this code, the cash price is not below the highest rate a health plan has negotiated. 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.