C. diff test cost in Rapid City, SD — inpatient
In Rapid City, SD, 1 hospital lists a cash price for C. difficile toxin gene test (stool PCR) as an inpatient: from $48.59 to $48.59, with a median of $48.59. Across South Dakota, the median is $154.40 at 6 hospitals.
Cash prices at 1 facility for code 87493, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Black Hills Surgical Hospital Rapid City, SD · (605) 721-4700 C difficile - NAAT with Reflex to Toxin- | $48.59 | $80.98 | $36.52–$72.88 | 40% | — source file |
Inpatient: lowest $48.59, median $48.59, highest $48.59.
As an outpatient, the same code is billed by 1 facility here, median $48.59 — 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
This stool test looks for the toxin gene of Clostridioides difficile, a cause of severe diarrhea, often after antibiotics or a hospital stay.
What the price covers
The price usually covers running the stool test; the collection kit is often included.