Potassium test cost in Puerto Rico
In Puerto Rico, 6 hospitals publish a cash price for potassium blood test: from $7.00 to $18.93, with a median of $15.00. The lowest price is at Bella Vista Hospital (Mayaguez). The highest price is 2.7× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 84132. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 28, 2026. See them on a map
Hospitals in Puerto Rico, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Bella Vista Hospital lowest Mayaguez · Mayagüez, PR POTASSIUM IN SER OR BODY FLUID | $7.00 | $7.00 | — source file |
| Hospital de la Concepcion San German · Mayagüez, PR Fluids Koh | $11.00 | $11.00 | Dec 26, 2024 source file |
| Doctors' Center Hospital - Bayamon Bayamon · San Juan-Bayamón-Caguas, PR Assay Of Serum Potassium | $15.00 | $15.00 | — source file |
| Doctors' Center Hospital - San Juan Santurce · San Juan-Bayamón-Caguas, PR Potassium Serum | $15.00 | $15.00 | — source file |
| Hospital Comunitario Buen Samaritano Aguadilla · Aguadilla, PR POTASSIUN SERUM | $15.00 | $15.00 | — source file |
| Mayaguez Medical Center Mayaguez · Mayagüez, PR Potassium | $18.93 | $18.93 | Mar 31, 2026 source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Mayagüez, PR | 3 | $7.00 | $11.00 |
| San Juan-Bayamón-Caguas, PR | 2 | $15.00 | $15.00 |
| Aguadilla, PR | 1 | $15.00 | $15.00 |
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.
Potassium blood test in other states
- Alabama$26.10
- Alaska$61.50
- Arizona$29.95
- Arkansas$19.43
- California$73.26
- Colorado$69.75
- Connecticut$23.15
- Delaware$60.74
- District of Columbia$63.56
- Florida$63.18
- Georgia$32.80
- Hawaii$47.60
- Idaho$35.70
- Illinois$44.80
- Indiana$28.50
- Iowa$34.00
- Kansas$32.76
- Kentucky$46.40
- Louisiana$16.47
- Maine$25.08
- Maryland$11.58
- Massachusetts$31.00
- Michigan$22.53
- Minnesota$44.90
- Mississippi$27.00
- Missouri$41.32
- Montana$40.80
- Nebraska$47.81
- Nevada$62.00
- New Hampshire$47.59
- New Jersey$5.90
- New Mexico$63.41
- New York$21.59
- North Carolina$39.30
- North Dakota$41.22
- Ohio$23.35
- Oklahoma$32.55
- Oregon$21.75
- Pennsylvania$33.10
- Rhode Island$29.50
- South Carolina$41.74
- South Dakota$54.90
- Tennessee$26.13
- Texas$65.23
- Utah$110.70
- Vermont$41.58
- Virginia$39.00
- Washington$40.15
- West Virginia$25.25
- Wisconsin$29.04
- Wyoming$23.98
Median cash price across the state's hospitals.