Partial thromboplastin time (PTT) clotting test in Ontario, OR-ID
In Ontario, OR-ID, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test: from $68.90 to $82.55, with a median of $82.55.
Cash prices at 1 facility for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and Mar 31, 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 Ontario, OR-ID.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Saint Alphonsus Medical Center - Ontario lowest Ontario, OR HC Thromboplastin Time Partial (Ptt) | $68.90 | $106.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Quest 91242 Thromboplastin Time Partial (Ptt) | $74.10 | $114.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Labcorp 117079 Thromboplastin Time Partial (Ptt) | $74.10 | $114.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Warde 2500780 Thromboplastin Time Partial (Ptt) | $82.55 | $127.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Warde 3502730 Thromboplastin Time Partial (Ptt) | $82.55 | $127.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Warde 3500044 Thromboplastin Time Partial (Ptt) | $82.55 | $127.00 | 35% | Mar 31, 2026 source file |
| Saint Alphonsus Medical Center - Ontario Ontario, OR HC Warde 3514930 Thromboplastin Time Partial (Ptt) | $82.55 | $127.00 | 35% | Mar 31, 2026 source file |
Outpatient: lowest $68.90, median $82.55, highest $82.55 — a 1.2× difference within the same market.
As an inpatient, the same code is billed by 1 facility here, median $82.55. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.