Partial thromboplastin time (PTT) clotting test in Waterbury, CT
In Waterbury, CT, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $22.00 to $34.97, with a median of $26.96. The lowest listed price is at Saint Marys Hospital.
Cash prices at 2 facilities 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 May 13, 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 Waterbury, CT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Saint Marys Hospital lowest Waterbury, CT HC Warde 3502730 Thromboplastin Time Partial (Ptt) | $22.00 | $40.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital Waterbury, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) | $22.00 | $40.00 | 45% | Mar 31, 2026 source file |
| Saint Marys Hospital Waterbury, CT HC Thromboplastin Time Partial (Ptt) | $22.00 | $40.00 | 45% | Mar 31, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT Lupus Anticoagulant Eval w/reflex 85730 | $31.91 | $63.81 | 50% | May 13, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT Partial Thromboplastin Time | $34.97 | $69.94 | 50% | May 13, 2026 source file |
| UConn Health, Waterbury Hospital Waterbury, CT PTT-Heparin Protocol | $34.97 | $69.94 | 50% | May 13, 2026 source file |
Outpatient: lowest $22.00, median $26.96, highest $34.97 — a 1.6× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $26.96. 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.