Partial thromboplastin time (PTT) clotting test in Bay City, MI
In Bay City, MI, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test: from $34.35 to $34.35, with a median of $34.35. Across Michigan, the median is $31.00 at 61 hospitals.
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 Dec 31, 2025 and Dec 31, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Bay City, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| McLaren Bay Region lowest Bay City, MI Activated PTT | $34.35 | $68.70 | 50% | Dec 31, 2025 source file |
| McLaren Bay Region lowest Bay City, MI Partial Thromboplastin Time | $34.35 | $68.70 | 50% | Dec 31, 2025 source file |
| McLaren Bay Region lowest Bay City, MI PTT With Heparin | $34.35 | $68.70 | 50% | Dec 31, 2025 source file |
| McLaren Bay Region lowest Bay City, MI Activated Partial Thromboplastin | $34.35 | $68.70 | 50% | Dec 31, 2025 source file |
Outpatient: lowest $34.35, median $34.35, highest $34.35.
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.