Lab tests CPT 83735 Inpatient — admitted to hospital

Magnesium test cost in Defiance, OH — inpatient

In Defiance, OH, 1 hospital lists a cash price for magnesium blood test as an inpatient: from $35.40 to $35.40, with a median of $35.40. Across Ohio, the median is $33.30 at 100 hospitals.

Cash prices at 1 facility for code 83735, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.

Lowest$35.40Mercy Health Defiance Hospital
Median$35.40half pay less
Highest$35.40in this market
Difference1.0×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 Defiance, OH.

median
Lowest $35.40Highest $57.60

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Mercy Health Defiance Hospital lowest Defiance, OH · (419) 782-8444 HC Assay of Magnesium $35.40 $59.00 — 40% —
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Mercy Health Defiance Hospital Defiance, OH · (419) 782-8444 HC So Magnesium $57.60 $96.00 — 40% —
source file

Inpatient: lowest $35.40, median $35.40, highest $35.40.

As an outpatient, the same code is billed by 1 facility here, median $30.60 — that is the price to compare if you are not being admitted.

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.