Ammonia test cost in Springfield, IL — inpatient
In Springfield, IL, 1 hospital lists a cash price for ammonia blood test as an inpatient: from $138.24 to $138.24, with a median of $138.24. Across Illinois, the median is $106.50 at 113 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 — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| St Johns Hospital of the Hospital Sisters of the Third Order of St Francis Springfield, IL · (217) 544-6464 HC AMMONIA source file | $138.24 | $192.00 | $8.40–$192.00 | 28% |
Inpatient: lowest $138.24, median $138.24, highest $138.24.
As an outpatient, the same code is billed by 1 facility here, median $138.24 — that is the price to compare if you are not being admitted.
Cash or insurance?
At the one hospital here that publishes insurer rates for this code, the cash price is below the highest rate a health plan has negotiated. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
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.