Lab tests CPT 84100 Outpatient

Phosphorus test cost in Manchester, NH

In Manchester-Nashua, NH, 4 hospitals list a cash price for phosphorus (phosphate) blood test: from $25.53 to $61.80, with a median of $30.92. The lowest listed price is at Southern NH Medical Center — $5.39 less than the median here. Across New Hampshire, the median is $61.80 at 19 hospitals.

Cash prices at 4 facilities across 3 cities for code 84100, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 27, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$25.53Southern NH Medical Center
Median$30.92half pay less
Highest$61.80in this market
Difference2.4×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 Manchester-Nashua, NH.

median
Lowest $25.53Highest $61.80

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Southern NH Medical Center lowest Nashua, NH · (603) 577-2000 HC ASSAY OF PHOSPHORUS INORGANIC $25.53 $69.00 — 63% Apr 1, 2026
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St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC PHOSPHORUS SERUM $29.64 $76.00 — 61% —
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St Joseph Hospital of Nashua Nashua, NH · (603) 882-3000 HC SO PHOSPHORUS INORGANIC $29.64 $76.00 — 61% —
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Elliot Hospital Manchester, NH · (603) 669-5300 Hc Assay Of Phosphorus Inorganic $32.19 $87.00 — 63% Apr 1, 2026
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Monadnock Community Hospital Peterborough, NH · (603) 924-7191 PHOSPHOROUS INORG-SERUM $61.80 $103.00 — 40% Apr 1, 2026
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Outpatient: lowest $25.53, median $30.92, highest $61.80 — a 2.4× difference within the same market.

As an inpatient, the same code is billed by 4 facilities here, median $30.92. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.