Ammonia test cost in Charleston, SC — inpatient
In Charleston-North Charleston, SC, 5 hospitals list a cash price for ammonia blood test as an inpatient: from $46.80 to $88.50, with a median of $46.80. The lowest listed price is at Roper Hospital and 3 other hospitals. Across South Carolina, the median is $93.75 at 38 hospitals.
Cash prices at 5 facilities across 3 cities for code 82140, as an inpatient (admitted to hospital) . Collected Sep 28, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Charleston-North Charleston, SC.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Roper Hospital lowest Charleston, SC · (843) 724-2800 HC So Ammonia File of Apr 1, 2026 · source file | $46.80 | $72.00 | — | 35% |
| Bon Secours St Francis Xavier Hospital lowest Charleston, SC · (843) 402-1006 HC So Ammonia File of Apr 1, 2026 · source file | $46.80 | $72.00 | — | 35% |
| Roper St Francis Hospital Berkeley lowest Summerville, SC · (854) 529-3002 HC So Ammonia File of Apr 1, 2026 · source file | $46.80 | $72.00 | — | 35% |
| Roper St Francis Mount Pleasant Hospital lowest Mount Pleasant, SC · (843) 724-2954 HC So Ammonia File of Apr 1, 2026 · source file | $46.80 | $72.00 | — | 35% |
| MUSC Medical Center Charleston, SC · (843) 792-2300 HB AMMONIA STONE (SEND OUT) File of Apr 1, 2026 · source file | $88.50 | $177.00 | — | 50% |
| MUSC Medical Center Charleston, SC · (843) 792-2300 HB AMMONIA File of Apr 1, 2026 · source file | $102.50 | $205.00 | — | 50% |
| Roper St Francis Hospital Berkeley Summerville, SC · (854) 529-3002 HC Ammonia File of Apr 1, 2026 · source file | $195.65 | $301.00 | — | 35% |
| Roper St Francis Mount Pleasant Hospital Mount Pleasant, SC · (843) 724-2954 HC Ammonia File of Apr 1, 2026 · source file | $195.65 | $301.00 | — | 35% |
| Roper Hospital Charleston, SC · (843) 724-2800 HC Ammonia File of Apr 1, 2026 · source file | $195.65 | $301.00 | — | 35% |
| Bon Secours St Francis Xavier Hospital Charleston, SC · (843) 402-1006 HC Ammonia File of Apr 1, 2026 · source file | $195.65 | $301.00 | — | 35% |
Inpatient: lowest $46.80, median $46.80, highest $88.50 — a 1.9× difference within the same market.
As an outpatient, the same code is billed by 7 facilities here, median $46.80 — 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.