Ammonia test cost in Missoula, MT — inpatient
In Missoula, MT, 1 hospital lists a cash price for ammonia blood test as an inpatient: from $98.40 to $98.40, with a median of $98.40. Across Montana, the median is $97.34 at 21 hospitals.
Cash prices at 1 facility for code 82140, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| St. Patrick Hospital Missoula, MT · (406) 543-7271 HC ASSAY OF AMMONIA LAB | $98.40 | $123.00 | — | 20% | Apr 1, 2026 source file |
Inpatient: lowest $98.40, median $98.40, highest $98.40.
As an outpatient, the same code is billed by 1 facility here, median $98.40 — 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.