Magnesium test cost in Lakeland, FL — inpatient
In Lakeland-Winter Haven, FL, 3 hospitals list a cash price for magnesium blood test as an inpatient: from $5.60 to $291.85, with a median of $159.85. The lowest listed price is at Orlando Health Lakeland Highlands Hospital — $154.25 less than the median here. Across Florida, the median is $13.20 at 81 hospitals.
Cash prices at 3 facilities across 3 cities for code 83735, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Lakeland-Winter Haven, FL.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Orlando Health Lakeland Highlands Hospital lowest Lakeland, FL Hb Assay Of Magnesium - Magnesium Urine | $5.60 | $14.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital lowest Lakeland, FL Hb Assay Of Magnesium - Magnesium 24Hr Urine | $5.60 | $14.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital lowest Lakeland, FL Hb Assay Of Magnesium - Magnesium | $5.60 | $14.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital Lakeland, FL Hb Magnesium, Urine (Sup24)-Exc | $6.00 | $15.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital Lakeland, FL Hb Assay Of Magnesium-Ref | $6.00 | $15.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital Lakeland, FL Hb Magnesium, Stool-Ref | $21.20 | $53.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital Lakeland, FL Hb Magnesium,Rbc-Ref | $42.40 | $106.00 | — | 60% | Apr 1, 2026 source file |
| Orlando Health Lakeland Highlands Hospital Lakeland, FL Hb Magnesium,Rbc-Arup-Ref | $50.00 | $125.00 | — | 60% | Apr 1, 2026 source file |
| AdventHealth Heart of Florida Davenport, FL · (863) 422-4971 HC MAGNESIUM TIMED URINE | $159.85 | $159.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Heart of Florida Davenport, FL · (863) 422-4971 HC MAGNESIUM URINE RANDOM | $159.85 | $159.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Heart of Florida Davenport, FL · (863) 422-4971 HC ASSAY OF MAGNESIUM - MAGNESIUM RBC | $159.85 | $159.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Heart of Florida Davenport, FL · (863) 422-4971 HC MAGNESIUM RBC - ARUP | $159.85 | $159.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Heart of Florida Davenport, FL · (863) 422-4971 HC MAGNESIUM LEVEL | $291.48 | $291.48 | — | — | Apr 1, 2026 source file |
| AdventHealth Lake Wales Lake Wales, FL · (863) 676-1433 HC MAGNESIUM URINE CALCULI RISK ASSESSMENT - ARUP | $291.85 | $291.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Lake Wales Lake Wales, FL · (863) 676-1433 HC MAGNESIUM RBC - ARUP | $291.85 | $291.85 | — | — | Apr 1, 2026 source file |
| AdventHealth Lake Wales Lake Wales, FL · (863) 676-1433 HC MAGNESIUM LEVEL | $490.96 | $490.96 | — | — | Apr 1, 2026 source file |
| AdventHealth Lake Wales Lake Wales, FL · (863) 676-1433 HC MAGNESIUM TIMED URINE | $490.96 | $490.96 | — | — | Apr 1, 2026 source file |
Inpatient: lowest $5.60, median $159.85, highest $291.85 — a 52.1× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $159.85 — 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.