Potassium test cost in Connecticut
In Connecticut, 19 hospitals publish a cash price for potassium blood test: from $8.69 to $128.00, with a median of $23.15. The lowest price is at Day Kimball Healthcare (Putnam). The highest price is 14.7× 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 29, 2026. See them on a map
Lowest$8.69Day Kimball Healthcare
Median$23.15half pay less
Highest$128.00in Connecticut
Lowest saves$14.46vs the median
Hospitals in Connecticut, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Day Kimball Healthcare lowest Putnam · Putnam, CT POTASSIUM,PLASMA | $8.69 | $22.80 | Aug 1, 2026 source file |
| Connecticut Children's Hartford · Hartford, CT Potassium, Blood | $11.44 | $19.06 | — source file |
| Saint Marys Hospital Waterbury · Waterbury, CT HC Potassium Serum/Plasma/Whole Blood | $13.75 | $25.00 | Mar 31, 2026 source file |
| John Dempsey Hospital of the University of Connecticut Farmington · Farmington, CT HC POTASSIUM (K+) | $13.80 | $23.00 | Jul 1, 2026 source file |
| Johnson Memorial Hospital Stafford Springs · Stafford Springs, CT HC Potassium Serum/Plasma/Whole Blood | $17.05 | $31.00 | Mar 31, 2026 source file |
| Mount Sinai Rehabilitation Hospital Hartford · Hartford, CT HC Potassium Serum/Plasma/Whole Blood | $17.05 | $31.00 | Mar 31, 2026 source file |
| Saint Francis Hospital and Medical Center Hartford · Hartford, CT HC Potassium Serum/Plasma/Whole Blood | $17.05 | $31.00 | Mar 31, 2026 source file |
| Silver Hill Hospital New Canaan · New Canaan, CT Blood potassium level | $18.00 | $18.00 | Sep 1, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury · Waterbury, CT Potassium Plasma | $20.38 | $40.75 | May 13, 2026 source file |
| Manchester Memorial Hospital Manchester · Manchester, CT POTASSIUM SERUM PLASMA OR W BL | $23.15 | $23.15 | — source file |
| Hartford Hospital Hartford · Hartford, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| Midstate Medical Center Meriden · Meriden, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| St Vincent's Medical Center Bridgeport · Bridgeport, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| The Charlotte Hungerford Hospital Torrington · Torrington, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| The Hospital of Central Connecticut New Britain · New Britain, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| Windham Community Memorial Hospital Willimantic · Willimantic, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $29.00 | $29.00 | — source file |
| Gaylord Hospital Wallingford · Wallingford, CT Potassium | $29.99 | $42.84 | Apr 21, 2026 source file |
| PAM Health Rehabilitation Hospital of Waterbury Waterbury · Waterbury, CT Serum Potassium | $113.75 | $113.75 | Aug 11, 2026 source file |
| The William W Backus Hospital Norwich · Norwich, CT HC POTASSIUM SERUM PLASMA/WHOLE BLOOD | $128.00 | $128.00 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Hartford, CT | 4 | $11.44 | $17.05 |
| Waterbury, CT | 3 | $13.75 | $20.38 |
| Bridgeport, CT | 1 | $29.00 | $29.00 |
| Farmington, CT | 1 | $13.80 | $13.80 |
| Manchester, CT | 1 | $23.15 | $23.15 |
| Meriden, CT | 1 | $29.00 | $29.00 |
| New Britain, CT | 1 | $29.00 | $29.00 |
| New Canaan, CT | 1 | $18.00 | $18.00 |
| Norwich, CT | 1 | $128.00 | $128.00 |
| Putnam, CT | 1 | $8.69 | $8.69 |
| Stafford Springs, CT | 1 | $17.05 | $17.05 |
| Torrington, CT | 1 | $29.00 | $29.00 |
| Wallingford, CT | 1 | $29.99 | $29.99 |
| Willimantic, CT | 1 | $29.00 | $29.00 |
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
- 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
- Puerto Rico$15.00
- 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.