Potassium test cost in Allentown, PA
In Allentown-Bethlehem-Easton, PA-NJ, 9 hospitals list a cash price for potassium blood test: from $5.47 to $200.70, with a median of $71.38. The lowest listed price is at Hackettstown Medical Center — $65.91 less than the median here. Across Pennsylvania, the median is $32.70 at 96 hospitals.
Cash prices at 9 facilities across 6 cities 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 Feb 26, 2026 and Feb 27, 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 Allentown-Bethlehem-Easton, PA-NJ.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Hackettstown Medical Center lowest Hackettstown, NJ · (908) 852-5100 Potassium | $5.47 | $122.00 | — | 96% | — source file |
| St Luke's Hospital - Sacred Heart Campus Allentown, PA HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.40–$35.20 | 17% | Feb 26, 2026 source file |
| St Luke's Hospital - Lehighton Campus Lehighton, PA HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.76–$35.20 | 17% | Feb 27, 2026 source file |
| St Luke's Hospital - Bethlehem Campus Bethlehem, PA · (484) 526-4000 HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.40–$35.20 | 17% | Feb 26, 2026 source file |
| St Luke's Hospital - Allentown Campus Allentown, PA HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.40–$35.20 | 17% | Feb 26, 2026 source file |
| St Luke's Hospital - Anderson Campus Easton, PA HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.40–$35.20 | 17% | Feb 26, 2026 source file |
| St Luke's Hospital - Easton Campus Easton, PA · (610) 250-4076 HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.76–$35.20 | 17% | Feb 26, 2026 source file |
| St Luke's Hospital - Carbon Campus Lehighton, PA · (610) 377-7001 HB ASSAY OF SERUM POTASSIUM | $71.38 | $86.00 | $4.76–$35.20 | 17% | Feb 27, 2026 source file |
| St Luke's Warren Hospital Phillipsburg, NJ · (908) 847-6700 HB ASSAY OF SERUM POTASSIUM | $200.70 | $223.00 | $4.42–$62.69 | 10% | Feb 27, 2026 source file |
| Hackettstown Medical Center Hackettstown, NJ · (908) 852-5100 Potassium | $3,955.16 | $22,011.21 | — | 82% | — source file |
Outpatient: lowest $5.47, median $71.38, highest $200.70 — a 36.7× difference within the same market.
As an inpatient, the same code is billed by 9 facilities here, median $71.38. 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 0 of 8 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.