Prothrombin time (PT/INR) clotting test in Great Falls, MT
In Great Falls, MT, 1 hospital lists a cash price for Prothrombin time (PT/INR) clotting test: from $4.37 to $39.00, with a median of $21.69.
Cash prices at 1 facility for code 85610, 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 PROTHROMBIN TIME | $4.37 | $4.37 | — | — source file |
| Great Falls Clinic Hospital Great Falls, MT BLOOD TEST; CLOTTING TIME | $39.00 | $39.00 | — | — source file |
Outpatient: lowest $4.37, median $21.69, highest $39.00 — a 8.9× difference within the same market.
What it is
The prothrombin time (PT) test measures how long it takes blood to clot, and is reported with the INR, a standardized number. It is used to monitor warfarin and to check clotting before surgery or with liver disease.
What the price covers
The price usually covers the PT and INR result. The blood draw is often a separate charge; a fingerstick home or clinic INR check may be billed differently.