Lab tests CPT 84100 Outpatient

Phosphorus test cost in Bluefield, WV

In Bluefield, WV-VA, 3 hospitals list a cash price for phosphorus (phosphate) blood test: from $23.50 to $149.34, with a median of $36.05. The lowest listed price is at Princeton Community Hospital Assn — $12.55 less than the median here. Across West Virginia, the median is $30.35 at 34 hospitals.

Cash prices at 3 facilities across 3 cities 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 — and —.

Lowest$23.50Princeton Community Hospital Assn
Median$36.05half pay less
Highest$149.34in this market
Difference6.4×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 Bluefield, WV-VA.

median
Lowest $23.50Highest $149.34

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Princeton Community Hospital Assn lowest Princeton, WV · (304) 487-7000 PHOSPHATE LEVEL $23.50 $47.00 $4.48–$27.61 50% —
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Princeton Community Hospital Assn Princeton, WV · (304) 487-7000 ASSAY OF PHOSPHORUS $24.50 $49.00 $4.48–$27.61 50% —
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Carilion Tazewell Community Hospital Tazewell, VA · (276) 988-8700 HB PHOSPHORUS $36.05 $103.00 $4.50–$98.88 65% —
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Clinch Valley Health Richlands, VA · (276) 596-6000 Phosphorus inorganic (phosphate) $149.34 $373.34 $4.74–$373.34 60% —
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Outpatient: lowest $23.50, median $36.05, highest $149.34 — a 6.4× difference within the same market.

Cash or insurance?

At 3 of 3 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.