Insulin test cost in Wisconsin Rapids, WI — inpatient
In Wisconsin Rapids-Marshfield, WI, 2 hospitals list a cash price for insulin blood test as an inpatient: from $115.05 to $151.05, with a median of $133.05. The lowest listed price is at Aspirus Wisconsin Rapids Hospital — $18.00 less than the median here. Across Wisconsin, the median is $65.00 at 80 hospitals.
Cash prices at 2 facilities across 2 cities for code 83525, as an inpatient (admitted to hospital) . Collected Sep 24, 2026; the hospital files themselves were last updated between Feb 20, 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 Wisconsin Rapids-Marshfield, WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Aspirus Wisconsin Rapids Hospital lowest Wisconsin Rapids, WI ASSAY OF INSULIN TOTAL | $115.05 | $177.00 | — | 35% | Apr 1, 2026 source file |
| Aspirus Wisconsin Rapids Hospital lowest Wisconsin Rapids, WI Fac Assay of Insulin | $115.05 | $177.00 | — | 35% | Apr 1, 2026 source file |
| Marshfield Medical Center - Marshfield Marshfield, WI INSULIN TOTAL ASSAY-TECH | $151.05 | $159.00 | $87.45–$154.23 | 5% | Feb 20, 2026 source file |
Inpatient: lowest $115.05, median $133.05, highest $151.05 — a 1.3× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $133.05 — 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
An insulin test measures insulin in the blood. It is used to investigate low blood sugar and sometimes to estimate insulin resistance.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.