Sodium test cost in Grand Rapids, MI
In Grand Rapids-Wyoming-Kentwood, MI, 8 hospitals list a cash price for sodium blood test: from $13.00 to $56.00, with a median of $13.38. The lowest listed price is at Corewell Health Butterworth Hospital and 3 other hospitals — $0.38 less than the median here. Across Michigan, the median is $20.90 at 86 hospitals.
Cash prices at 8 facilities across 7 cities for code 84295, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 28, 2026; the hospital files themselves were last updated between Mar 31, 2026 and Mar 31, 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 Grand Rapids-Wyoming-Kentwood, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Corewell Health Butterworth Hospital lowest Grand Rapids, MI · (616) 391-1774 Hc Sodium+3 more lines at this price source file | $13.00 | $13.00 | — | — |
| Corewell Health Greenville Hospital lowest Greenville, MI · (616) 754-4691 Hc Sodium+1 more line at this price source file | $13.00 | $13.00 | — | — |
| Corewell Health Blodgett Hospital lowest East Grand Rapids, MI Hc Poc Sodium+1 more line at this price source file | $13.00 | $13.00 | — | — |
| Corewell Health Zeeland Community Hospital lowest Zeeland, MI · (616) 772-4644 Hc Poc Sodium+1 more line at this price source file | $13.00 | $13.00 | — | — |
| University of Michigan Health-Sparrow Carson Carson City, MI · (989) 584-3131 HB Assay of Serum Sodium source file | $13.75 | $55.00 | $41.82–$44.55 | 75% |
| Mercy Health Saint Marys Grand Rapids, MI · (616) 685-5000 HC Sodium Serum/Plasma/Whole Blood File of Mar 31, 2026 · source file | $22.10 | $34.00 | $1.70–$34.00 | 35% |
| Sheridan Community Hospital Sheridan, MI · (989) 291-3261 SODIUM source file | $39.20 | $49.00 | $3.47–$43.27 | 20% |
| Trinity Health Grand Haven Hospital Grand Haven, MI · (616) 847-5268 SODIUM SERUM PLASMA WB source file | $56.00 | $56.00 | $4.81–$26.26 | — |
Outpatient: lowest $13.00, median $13.38, highest $56.00 — a 4.3× difference within the same market.
As an inpatient, the same code is billed by 7 facilities here, median $13.00. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 3 of 4 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at 1 it is below every plan's rate. 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.