Partial thromboplastin time (PTT) clotting test in Milwaukee-Waukesha, WI — inpatient
In Milwaukee-Waukesha, WI, 13 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $39.22 to $70.26, with a median of $50.00. The lowest listed price is at Columbia St. Mary's, Inc..
Cash prices at 13 facilities across 10 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Nov 21, 2025 and Mar 23, 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 Milwaukee-Waukesha, WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Columbia St. Mary's, Inc. lowest Glendale, WI PTT | $39.22 | $74.00 | 47% | — source file |
| Aurora West Allis Medical Center West Allis, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Medical Center Washington County Hartford, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Medical Center Kenosha Kenosha, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Psychiatric Hospital Wauwatosa, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Sinai Medical Center of Aurora Health Care Metro Inc Milwaukee, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora St Lukes Medical Center of Aurora Health Care Metro Inc Milwaukee, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora St Lukes South Shore of Aurora Health Care Metro Inc Cudahy, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Medical Center Grafton Grafton, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Aurora Medical Center Summit Summit, WI PARTIAL THROMBOPLASTIN TIME | $50.00 | $100.00 | 50% | Nov 21, 2025 source file |
| Columbia St. Mary's Hospital Milwaukee, Inc. Milwaukee, WI HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB | $53.00 | $100.00 | 47% | — source file |
| Columbia St. Mary's Hospital Ozaukee, Inc. Mequon, WI HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB | $53.00 | $100.00 | 47% | — source file |
| Children's Hospital of Wisconsin Milwaukee, WI HBC PARTIAL THROMBOPLASTIN TIME | $64.90 | $118.00 | 45% | Mar 23, 2026 source file |
| Children's Hospital of Wisconsin Milwaukee, WI HBC PARTIAL THROMBOPLASTIN TIME | $64.90 | $118.00 | 45% | Mar 23, 2026 source file |
| Children's Hospital of Wisconsin Milwaukee, WI HBC LUPUS ANTICOAGULANT LUPIRF | $70.26 | $127.75 | 45% | Mar 23, 2026 source file |
| Children's Hospital of Wisconsin Milwaukee, WI HBC LUPUS ANTICOAGULANT LUPIRF | $70.26 | $127.75 | 45% | Mar 23, 2026 source file |
Inpatient: lowest $39.22, median $50.00, highest $70.26 — a 1.8× difference within the same market.
As an outpatient, the same code is billed by 17 facilities here, median $50.00 — 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.