Potassium test cost in Columbia, SC
In Columbia, SC, 4 hospitals list a cash price for potassium blood test: from $28.50 to $70.00, with a median of $32.50. The lowest listed price is at MUSC Health Columbia Medical Center Northeast and 1 other hospital — $4.00 less than the median here. Across South Carolina, the median is $41.74 at 38 hospitals.
Cash prices at 4 facilities across 3 cities for code 84132, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 28, 2026; the hospital files themselves were last updated between Apr 1, 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 Columbia, SC.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| MUSC Health Columbia Medical Center Northeast lowest Columbia, SC · (803) 256-5300 HB POTASSIUM FLUID+2 more lines at this price File of Apr 1, 2026 · source file | $28.50 | $57.00 | — | 50% |
| Musc Health Columbia Medical Center Downtown lowest Columbia, SC · (803) 256-5300 HB POTASSIUM+2 more lines at this price File of Apr 1, 2026 · source file | $28.50 | $57.00 | — | 50% |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB POTASSIUM BLOOD GAS VENOUS File of Apr 1, 2026 · source file | $36.50 | $73.00 | — | 50% |
| Kershaw Medical Center Camden, SC · (803) 432-4311 HB POTASSIUM File of Apr 1, 2026 · source file | $63.00 | $126.00 | — | 50% |
| Lexington Medical Center West Columbia, SC · (803) 791-2000 Hc Potassium, Serum File of Apr 1, 2026 · source file | $70.00 | $70.00 | — | — |
Outpatient: lowest $28.50, median $32.50, highest $70.00 — a 2.5× difference within the same market.
As an inpatient, the same code is billed by 4 facilities here, median $32.50. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.