Potassium test cost in Clinton, IA — inpatient
In Clinton, IA, 2 hospitals list a cash price for potassium blood test as an inpatient: from $26.40 to $36.40, with a median of $31.40. The lowest listed price is at MercyOne Genesis DeWitt Medical Center — $5.00 less than the median here. Across Iowa, the median is $34.00 at 78 hospitals.
Cash prices at 2 facilities across 2 cities for code 84132, as an inpatient (admitted to hospital) . Collected Sep 23, 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 Clinton, IA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| MercyOne Genesis DeWitt Medical Center lowest Dewitt, IA · (563) 659-4200 GHS POTASSIUM (K) File of Mar 31, 2026 · source file | $26.40 | $44.00 | $14.96–$32.12 | 40% |
| MercyOne Genesis DeWitt Medical Center Dewitt, IA · (563) 659-4200 Potassium Level File of Mar 31, 2026 · source file | $31.20 | $52.00 | $17.68–$37.96 | 40% |
| MercyOne Genesis DeWitt Medical Center Dewitt, IA · (563) 659-4200 POTASSIUM, SERUM File of Mar 31, 2026 · source file | $31.80 | $53.00 | $18.02–$38.69 | 40% |
| MercyOne Clinton Medical Center Clinton, IA · (563) 244-5555 HC Potassium Serum/Plasma/Whole Blood File of Mar 31, 2026 · source file | $36.40 | $56.00 | $4.61–$56.00 | 35% |
| MercyOne Genesis DeWitt Medical Center Dewitt, IA · (563) 659-4200 POTASSIUM, CSF File of Mar 31, 2026 · source file | $54.00 | $90.00 | $30.60–$65.70 | 40% |
Inpatient: lowest $26.40, median $31.40, highest $36.40 — a 1.4× difference within the same market.
As an outpatient, the same code is billed by 2 facilities here, median $31.40 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 2 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it 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 potassium test measures the level of potassium in the blood. Doctors check it for people on diuretics or blood pressure drugs, with kidney disease, an irregular heartbeat, or vomiting and diarrhea.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.