Ammonia test cost in Rhode Island
In Rhode Island, 9 hospitals publish a cash price for ammonia blood test: from $14.00 to $142.20, with a median of $116.00. The lowest price is at Landmark Medical Center (Woonsocket). The highest price is 10.2× the lowest.
Outpatient cash prices, one line per hospital — its lowest listed price for code 82140. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 27, 2026. See them on a map
Hospitals in Rhode Island, cheapest first
| Hospital | Cash price | List price | File date |
|---|---|---|---|
| Landmark Medical Center lowest Woonsocket · Providence-Warwick, RI-MA Hc Assay Of Ammonia | $14.00 | $185.00 | Sep 1, 2026 source file |
| Butler Hospital Providence · Providence-Warwick, RI-MA HC Assay of Ammonia - Ammonia | $33.95 | $97.00 | — source file |
| Kent County Memorial Hospital Warwick · Providence-Warwick, RI-MA HC Assay of Ammonia - Ammonia | $33.95 | $97.00 | — source file |
| Women and Infants Hospital of Rhode Island Providence · Providence-Warwick, RI-MA HC Assay of Ammonia - Ammonia | $33.95 | $97.00 | — source file |
| Emma Pendleton Bradley Hospital East Providence · Providence-Warwick, RI-MA HC STONERISK AMMONIA | $116.00 | $116.00 | — source file |
| Newport Hospital Newport · Providence-Warwick, RI-MA HC STONERISK AMMONIA | $116.00 | $116.00 | — source file |
| Rhode Island Hospital Providence · Providence-Warwick, RI-MA HC STONERISK AMMONIA | $116.00 | $116.00 | — source file |
| The Miriam Hospital Providence · Providence-Warwick, RI-MA HC STONERISK AMMONIA | $116.00 | $116.00 | — source file |
| South County Health Wakefield · Providence-Warwick, RI-MA Ammonia | $142.20 | $237.00 | — source file |
By metro area
Each metro page compares every listing, including prices for both sides of the body.
| Metro area | Hospitals | Lowest | Median |
|---|---|---|---|
| Providence-Warwick, RI-MA | 9 | $14.00 | $116.00 |
What it is
An ammonia test measures ammonia in the blood. It is used for confusion or drowsiness in people with liver disease and for some rare inherited disorders in newborns.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.
Ammonia blood test in other states
- Alabama$85.12
- Alaska$155.40
- Arizona$96.96
- Arkansas$54.34
- California$180.96
- Colorado$161.35
- Connecticut$61.95
- Delaware$114.70
- District of Columbia$146.00
- Florida$121.70
- Georgia$88.14
- Hawaii$135.00
- Idaho$72.00
- Illinois$106.50
- Indiana$120.00
- Iowa$88.16
- Kansas$86.66
- Kentucky$98.28
- Louisiana$49.18
- Maine$88.35
- Maryland$57.90
- Massachusetts$92.00
- Michigan$65.00
- Minnesota$80.04
- Mississippi$72.00
- Missouri$76.50
- Montana$97.34
- Nebraska$127.50
- Nevada$159.13
- New Hampshire$87.75
- New Jersey$18.90
- New Mexico$115.20
- New York$52.74
- North Carolina$73.85
- North Dakota$49.60
- Ohio$54.75
- Oklahoma$60.00
- Oregon$87.10
- Pennsylvania$86.40
- Puerto Rico$52.00
- South Carolina$104.37
- South Dakota$137.70
- Tennessee$48.83
- Texas$145.94
- Utah$300.34
- Vermont$132.65
- Virginia$91.80
- Washington$114.40
- West Virginia$37.55
- Wisconsin$89.76
- Wyoming$69.54
Median cash price across the state's hospitals.