Lab tests CPT 83735 Outpatient

Magnesium test cost in Williamsport, PA

In Williamsport, PA, 2 hospitals list a cash price for Magnesium blood test: from $54.00 to $118.80, with a median of $86.40. The lowest listed price is at UPMC Williamsport — $32.40 less than the median here. Across Pennsylvania, the median is $34.00 at 64 hospitals.

Cash prices at 2 facilities across 2 cities for code 83735, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$54.00UPMC Williamsport
Median$86.40half pay less
Highest$118.80in this market
Difference2.2×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 Williamsport, PA.

median
Lowest $54.00Highest $124.80

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
UPMC Williamsport lowest Williamsport, PA MAGNESIUM $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Williamsport lowest Williamsport, PA MAGNESIUM RBC $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Williamsport lowest Williamsport, PA MAGNESIUM - 24HR URINE $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Williamsport lowest Williamsport, PA MAGNESIUM P7923 $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Williamsport lowest Williamsport, PA MAGNESIUM FECAL $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Williamsport lowest Williamsport, PA MAGNESIUM P6856 $54.00 $90.00 $6.62–$72.00 40% —
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UPMC Muncy Muncy, PA MAGNESIUM P6970 $118.80 $198.00 $6.62–$188.10 40% —
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UPMC Muncy Muncy, PA MAGNESIUM $124.80 $208.00 $6.62–$197.60 40% —
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UPMC Muncy Muncy, PA MAGNESIUM - 24HR URINE $124.80 $208.00 $6.62–$197.60 40% —
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UPMC Muncy Muncy, PA MAGNESIUM P7923 $124.80 $208.00 $6.62–$197.60 40% —
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UPMC Muncy Muncy, PA MAGNESIUM RBC $124.80 $208.00 $6.62–$197.60 40% —
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Outpatient: lowest $54.00, median $86.40, highest $118.80 — a 2.2× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $86.40. 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 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 magnesium test measures the level of magnesium in the blood. Doctors order it for muscle cramps or weakness, an irregular heartbeat, low potassium or calcium that does not correct, and for people on diuretics, long-term acid-reducing drugs or with kidney disease.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.