Potassium test cost in Slidell, LA
In Slidell-Mandeville-Covington, LA, 2 hospitals list a cash price for potassium blood test: from $11.90 to $46.20, with a median of $29.05. The lowest listed price is at Fairway Medical Center — $17.15 less than the median here. Across Louisiana, the median is $17.59 at 56 hospitals.
Cash prices at 2 facilities for code 84132, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Jul 1, 2026 and Jul 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 Slidell-Mandeville-Covington, LA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Fairway Medical Center lowest Covington, LA · (985) 809-9888 Potassium LC | $11.90 | $29.00 | $4.76 | 59% | — source file |
| Lakeview Hospital Covington, LA · (504) 988-5263 Assay of Serum Potassium | $46.20 | $330.00 | $10.94–$99.00 | 86% | Jul 1, 2026 source file |
| Lakeview Hospital Covington, LA · (504) 988-5263 POCT Potassium | $46.20 | $330.00 | $10.94–$99.00 | 86% | Jul 1, 2026 source file |
| Lakeview Hospital Covington, LA · (504) 988-5263 Resp Potassium | $46.20 | $330.00 | $10.94–$99.00 | 86% | Jul 1, 2026 source file |
Outpatient: lowest $11.90, median $29.05, highest $46.20 — a 3.9× difference within the same market.
Cash or insurance?
At 1 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.