Ammonia test cost in Providence, RI — inpatient
In Providence-Warwick, RI-MA, 6 hospitals list a cash price for ammonia blood test as an inpatient: from $54.30 to $116.00, with a median of $116.00. The lowest listed price is at Brown University Health Morton Hospital — $61.70 less than the median here. Across Rhode Island, the median is $116.00 at 9 hospitals.
Cash prices at 6 facilities across 5 cities for code 82140, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Providence-Warwick, RI-MA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Brown University Health Morton Hospital lowest Taunton, MA · (508) 828-7000 HC AMMONIA | $54.30 | $54.30 | — | — | — source file |
| Saint Anne's Hospital Fall River, MA · (508) 674-5600 HC AMMONIA | $70.51 | $70.51 | — | — | — source file |
| Rhode Island Hospital Providence, RI · (401) 444-4000 HC AMMONIA | $116.00 | $116.00 | — | — | — source file |
| The Miriam Hospital Providence, RI · (401) 793-2500 HC STONERISK AMMONIA | $116.00 | $116.00 | — | — | — source file |
| The Miriam Hospital Providence, RI · (401) 793-2500 HC AMMONIA | $116.00 | $116.00 | — | — | — source file |
| Newport Hospital Newport, RI · (401) 846-6400 HC STONERISK AMMONIA | $116.00 | $116.00 | — | — | — source file |
| Newport Hospital Newport, RI · (401) 846-6400 HC AMMONIA | $116.00 | $116.00 | — | — | — source file |
| Emma Pendleton Bradley Hospital East Providence, RI · (401) 432-1000 HC STONERISK AMMONIA | $116.00 | $116.00 | — | — | — source file |
| Emma Pendleton Bradley Hospital East Providence, RI · (401) 432-1000 HC AMMONIA | $116.00 | $116.00 | — | — | — source file |
| Rhode Island Hospital Providence, RI · (401) 444-4000 HC STONERISK AMMONIA | $116.00 | $116.00 | — | — | — source file |
Inpatient: lowest $54.30, median $116.00, highest $116.00 — a 2.1× difference within the same market.
As an outpatient, the same code is billed by 13 facilities here, median $59.50 — that is the price to compare if you are not being admitted.
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.