Ammonia test cost in Flint, MI
In Flint, MI, 2 hospitals list a cash price for ammonia blood test: from $31.08 to $65.75, with a median of $48.42. The lowest listed price is at Henry Ford Genesys Hospital — $17.34 less than the median here. Across Michigan, the median is $65.00 at 87 hospitals.
Cash prices at 2 facilities across 2 cities for code 82140, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Dec 31, 2025 and Dec 31, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Flint, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Henry Ford Genesys Hospital lowest Grand Blanc Twp, MI · (810) 606-6050 AMMONIA source file | $31.08 | $74.00 | $11.87–$21.75 | 58% |
| McLaren Flint Flint, MI · (810) 342-2000 Ammonia Venous+1 more line at this price File of Dec 31, 2025 · source file | $65.75 | $131.50 | $7.97–$63.30 | 50% |
Outpatient: lowest $31.08, median $48.42, highest $65.75 — a 2.1× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $48.42. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
Cash or insurance?
At 0 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. 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.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 82140 ($90.62). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| Hospital | Cash price | File |
|---|---|---|
| Henry Ford Genesys Hospital Grand Blanc Twp, MIRL-AMMONIA 24 HR URINE | $5.21 | file |