Sodium test cost in Janesville, WI — inpatient
In Janesville-Beloit, WI, 2 hospitals list a cash price for sodium blood test as an inpatient: from $61.75 to $64.97, with a median of $63.36. The lowest listed price is at Mercyhealth Hospital & Trauma Center — $1.61 less than the median here. Across Wisconsin, the median is $24.86 at 97 hospitals.
Cash prices at 2 facilities across 2 cities for code 84295, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Mar 1, 2026 and Mar 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 Janesville-Beloit, WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Mercyhealth Hospital & Trauma Center lowest Janesville, WI · (608) 756-6161 HC SODIUM File of Mar 1, 2026 · source file | $61.75 | $82.33 | — | 25% |
| Mercyhealth Hospital & Trauma Center Janesville, WI · (608) 756-6161 CHG SODIUM SERUM PLASMA OR WHOLE BLOOD File of Mar 1, 2026 · source file | $63.42 | $84.56 | — | 25% |
| Edgerton Hospital and Health Services Edgerton, WI · (608) 884-3441 LCHG SODIUM BLOOD source file | $64.97 | $89.00 | $8.70–$74.00 | 27% |
Inpatient: lowest $61.75, median $63.36, highest $64.97 — a 1.1× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $63.36 — that is the price to compare if you are not being admitted.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. 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 sodium test measures the level of sodium in the blood. It is used for confusion, weakness, dehydration and for people on diuretics or with heart, kidney or liver disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.