PT/INR blood test cost in Shelby, MT — inpatient
In Shelby, MT, 1 hospital lists a cash price for prothrombin time (PT/INR) clotting test as an inpatient: from $6.18 to $6.18, with a median of $6.18. Across Montana, the median is $23.50 at 22 hospitals.
Cash prices at 1 facility for code 85610, as an inpatient (admitted to hospital) . Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 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 Shelby, MT.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list | File date |
|---|---|---|---|---|---|
| Logan Health - Shelby lowest Shelby, MT · (406) 434-3200 Lupus Anticoag Panel (Mayo ALUPP) | $6.18 | $9.50 | — | 35% | Apr 1, 2026 source file |
| Logan Health - Shelby Shelby, MT · (406) 434-3200 Prothrombin Time (PT) P (Mayo AATHR) | $12.51 | $19.25 | — | 35% | Apr 1, 2026 source file |
| Logan Health - Shelby Shelby, MT · (406) 434-3200 POC-RE PT with INR | $35.26 | $54.25 | — | 35% | Apr 1, 2026 source file |
| Logan Health - Shelby Shelby, MT · (406) 434-3200 Protime | $48.10 | $74.00 | — | 35% | Apr 1, 2026 source file |
Inpatient: lowest $6.18, median $6.18, highest $6.18.
As an outpatient, the same code is billed by 1 facility here, median $6.18 — that is the price to compare if you are not being admitted.
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.