Partial thromboplastin time (PTT) clotting test in Great Falls, MT
In Great Falls, MT, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test: from $6.67 to $92.00, with a median of $49.34.
Cash prices at 1 facility for code 85730, as an outpatient — the setting a self-pay patient normally buys. 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 Great Falls, MT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Great Falls Clinic Hospital lowest Great Falls, MT THROMBOPLASTIN TIME PARTIAL | $6.67 | $6.67 | — | — source file |
| Great Falls Clinic Hospital Great Falls, MT COAGULATION ASSESSMENT BLOOD TEST; PLASMA OR WHOLE BLOOD | $92.00 | $92.00 | — | — source file |
Outpatient: lowest $6.67, median $49.34, highest $92.00 — a 13.8× difference within the same market.
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.