Partial thromboplastin time (PTT) clotting test in Green Bay, WI
In Green Bay, WI, 5 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $17.59 to $91.08, with a median of $49.50. The lowest listed price is at Bellin Memorial Health Inc.
Cash prices at 5 facilities across 2 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 Nov 21, 2025 and Jun 27, 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 Green Bay, WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Bellin Memorial Health Inc lowest Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); PLASMA | $17.59 | $38.00 | 54% | Jun 27, 2026 source file |
| Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT) | $17.59 | $38.00 | 54% | Jun 27, 2026 source file |
| Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); HEPARIN ABSORBED | $17.59 | $38.00 | 54% | Jun 27, 2026 source file |
| Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); PLASMA OR WHOLE BLOOD | $17.59 | $38.00 | 54% | Jun 27, 2026 source file |
| St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT (LUPUS) | $46.86 | $71.00 | 34% | — source file |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI THROMBOPLASTIN TIME PARTIAL | $46.86 | $71.00 | 34% | — source file |
| St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI THROMBOPLASTIN TIME PARTIAL | $46.86 | $71.00 | 34% | — source file |
| St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI HC PTT | $49.50 | $75.00 | 34% | — source file |
| St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT | $49.50 | $75.00 | 34% | — source file |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI HC PTT | $49.50 | $75.00 | 34% | — source file |
| Aurora BayCare Medical Center Green Bay, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT-PRV 72 HR | $56.10 | $85.00 | 34% | — source file |
| St Clare Memorial Hospital Inc Oconto Falls, WI HC APTT | $91.08 | $138.00 | 34% | — source file |
| St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI HC APTT | $91.08 | $138.00 | 34% | — source file |
| St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI HC APTT | $91.08 | $138.00 | 34% | — source file |
Outpatient: lowest $17.59, median $49.50, highest $91.08 — a 5.2× difference within the same market.
As an inpatient, the same code is billed by 5 facilities here, median $49.50. 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.