Partial thromboplastin time (PTT) clotting test in Buffalo-Cheektowaga, NY
In Buffalo-Cheektowaga, NY, 4 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $6.01 to $145.38, with a median of $21.45. The lowest listed price is at Mount St. Mary's Hospital.
Cash prices at 4 facilities across 3 cities 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 Apr 1, 2026 and Aug 25, 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 Buffalo-Cheektowaga, NY.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Mount St. Mary's Hospital lowest Lewiston, NY Thromboplas Time Partial - APTT | $6.01 | $15.00 | 60% | — source file |
| Mount St. Mary's Hospital Lewiston, NY Thromboplas Time Partial - PTT CRRT System | $15.00 | $15.00 | — | — source file |
| Mount St. Mary's Hospital Lewiston, NY Thromboplas Time Partial - Additional Charge | $15.00 | $15.00 | — | — source file |
| Niagara Falls Memorial Medical Center Niagara Falls, NY COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD | $17.33 | $24.75 | 30% | — source file |
| Erie County Medical Center Corporation Buffalo, NY PARTIAL THROMBOPLASTIN PAT | $25.57 | $58.01 | 56% | Aug 25, 2026 source file |
| Roswell Park Cancer Institute Buffalo, NY Part Thromb Time (Aptt) | $67.07 | $67.07 | — | Apr 1, 2026 source file |
| Roswell Park Cancer Institute Buffalo, NY Lup Anticoag Ptt Plasma | $67.07 | $67.07 | — | Apr 1, 2026 source file |
| Niagara Falls Memorial Medical Center Niagara Falls, NY THROMBOPLASTIN TIME PARTIAL | $145.38 | $207.68 | 30% | — source file |
Outpatient: lowest $6.01, median $21.45, highest $145.38 — a 24.2× difference within the same market.
As an inpatient, the same code is billed by 3 facilities here, median $20.29. 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.