Lab tests CPT 84100 Inpatient — admitted to hospital

Phosphorus test cost in Afton, WY — inpatient

In Afton, WY, 1 hospital lists a cash price for phosphorus (phosphate) blood test as an inpatient: from $81.90 to $81.90, with a median of $81.90. Across Wyoming, the median is $31.26 at 17 hospitals.

Cash prices at 1 facility for code 84100, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Nov 12, 2024 and Nov 12, 2024.

Lowest$81.90Star Valley Health
Median$81.90half pay less
Highest$81.90in this market
Difference1.0×highest vs lowest

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Star Valley Health Afton, WY · (307) 885-5800 HC ASSAY OF INORGANIC PHOSPHORUS - PHOSPHORUS $81.90 $117.00 $67.80–$117.00 30% Nov 12, 2024
source file

Inpatient: lowest $81.90, median $81.90, highest $81.90.

As an outpatient, the same code is billed by 1 facility here, median $81.90 — that is the price to compare if you are not being admitted.

Cash or insurance?

At the one hospital here that publishes insurer rates for this code, the cash price is 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.