Lab tests CPT 83735 Puerto Rico Outpatient

Magnesium test cost in Puerto Rico

In Puerto Rico, one hospital publishes a cash price for magnesium blood test: $10.00 at Bella Vista Hospital (Mayaguez).

Outpatient cash prices, one line per hospital — its lowest listed price for code 83735. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 22, 2026.

Hospitals in Puerto Rico, cheapest first

HospitalCash price List priceFile date
Bella Vista Hospital Mayaguez · Mayagüez, PR MAGNESIUM SERUM OR URINE $10.00 $10.00 —
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Mayagüez, PR 1 $10.00 $10.00

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.

Magnesium blood test in other states

Median cash price across the state's hospitals.