Partial thromboplastin time (PTT) clotting test in Rapid City, SD — inpatient
In Rapid City, SD, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $24.54 to $24.54, with a median of $24.54. Across South Dakota, the median is $58.00 at 6 hospitals.
Cash prices at 1 facility for code 85730, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Rapid City, SD.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Black Hills Surgical Hospital lowest Rapid City, SD PTT (Send Out)- | $24.54 | $40.90 | 40% | — source file |
| Black Hills Surgical Hospital lowest Rapid City, SD APTT- | $24.54 | $40.90 | 40% | — source file |
Inpatient: lowest $24.54, median $24.54, highest $24.54.
As an outpatient, the same code is billed by 1 facility here, median $24.54 — that is the price to compare if you are not being admitted.
What it is
The partial thromboplastin time (PTT or aPTT) test measures how long it takes blood to clot through a different pathway than the PT test. It is used to check for bleeding disorders, before surgery, and to monitor heparin.
What the price covers
The price usually covers the PTT test. The blood draw is often billed separately.