Partial thromboplastin time (PTT) clotting test in St. Johnsbury, VT — inpatient
In St. Johnsbury, VT, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $7.50 to $270.75, with a median of $103.50.
Cash prices at 1 facility for code 85730, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in St. Johnsbury, VT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Northeastern Vermont Regional Hospital, Inc. lowest St. Johnsbury, VT MAYO APTT | $7.50 | $10.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT MAYO ACTIVATED PART THROMB TIM | $22.50 | $30.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT MAYO PROLONGED CLOT TIME PRO | $103.50 | $138.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT PTT ACTIVATED NVRH DHCC | $103.50 | $138.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT PARTIAL THROMBO (PTT | $103.50 | $138.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT PTT | $204.00 | $272.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT PROTEIN C | $244.50 | $326.00 | 25% | — source file |
| Northeastern Vermont Regional Hospital, Inc. St. Johnsbury, VT FAHC PTT | $270.75 | $361.00 | 25% | — source file |
Inpatient: lowest $7.50, median $103.50, highest $270.75 — a 36.1× difference within the same market.
As an outpatient, the same code is billed by 1 facility here, median $103.50 — 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.