Lab tests CPT 83735 Inpatient — admitted to hospital

Magnesium test cost in Lewiston, ME — inpatient

In Lewiston-Auburn, ME, 1 hospital lists a cash price for magnesium blood test as an inpatient: from $47.88 to $47.88, with a median of $47.88. Across Maine, the median is $41.27 at 22 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$47.88St Mary's Regional Medical Center
Median$47.88half pay less
Highest$47.88in 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 Lewiston-Auburn, ME.

median
Lowest $47.88Highest $47.88

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St Mary's Regional Medical Center lowest Lewiston, ME · (207) 777-8100 HC MAGNESIUM $47.88 $126.00 — 62% —
source file
St Mary's Regional Medical Center lowest Lewiston, ME · (207) 777-8100 HC SO MAGNESIUM $47.88 $126.00 — 62% —
source file

Inpatient: lowest $47.88, median $47.88, highest $47.88.

As an outpatient, the same code is billed by 2 facilities here, median $26.94 — 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.