Prothrombin time (PT/INR) clotting test in Duluth, MN-WI — inpatient
In Duluth, MN-WI, 9 hospitals list a cash price for Prothrombin time (PT/INR) clotting test as an inpatient: from $6.24 to $48.04, with a median of $42.90. The lowest listed price is at Range Regional Health Services.
Cash prices at 9 facilities across 6 cities for code 85610, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Jan 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 Duluth, MN-WI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Range Regional Health Services lowest Hibbing, MN HC INR POCT | $6.24 | $14.67 | 57% | Jan 29, 2026 source file |
| Range Regional Health Services Hibbing, MN HC INR SP COAG | $6.38 | $15.00 | 57% | Jan 29, 2026 source file |
| Range Regional Health Services Hibbing, MN HC PROTHROMBIN TIME/INR | $32.53 | $76.53 | 57% | Jan 29, 2026 source file |
| Range Regional Health Services Hibbing, MN HC PT MIXING STUDIES | $33.15 | $78.00 | 58% | Jan 29, 2026 source file |
| Aspirus St. Luke’s Hospital Duluth, MN Fac Prothrombin Tm | $38.62 | $71.00 | 46% | Apr 1, 2026 source file |
| Aspirus St. Luke’s Hospital Duluth, MN Prothrombin Time Beaker1 | $38.62 | $71.00 | 46% | Apr 1, 2026 source file |
| Aspirus St. Luke’s Hospital Duluth, MN PROTHROMBIN TIME | $38.62 | $71.00 | 46% | Apr 1, 2026 source file |
| Essentia Health Virginia N Virginia, MN PROTHROMBIN TIME (PT/INR) | $40.82 | $65.00 | 37% | Jan 1, 2026 source file |
| Essentia Health St. Mary's Medical Center Duluth, MN PROTHROMBIN TIME (PT/INR) | $42.90 | $65.00 | 34% | Jan 1, 2026 source file |
| Essentia Health St. Mary's Children's Hospital Duluth, MN PROTHROMBIN TIME (PT/INR) | $42.90 | $65.00 | 34% | Jan 1, 2026 source file |
| Essentia Health Duluth Duluth, MN PROTHROMBIN TIME (PT/INR) | $42.90 | $65.00 | 34% | Jan 1, 2026 source file |
| Essentia Health St Marys Hospital-Superior Superior, WI PROTHROMBIN TIME (PT/INR) QW | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
| Essentia Health St Marys Hospital-Superior Superior, WI PROTHROMBIN TIME (PT/INR) | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
| Essentia Health Moose Lake Moose Lake, MN PROTHROMBIN TIME (PT/INR) | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
| Essentia Health Northern Pines Aurora, MN PROTHROMBIN TIME (PT/INR) QW | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
| Essentia Health Moose Lake Moose Lake, MN PROTHROMBIN TIME (PT/INR) QW | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
| Essentia Health Northern Pines Aurora, MN PROTHROMBIN TIME (PT/INR) | $48.04 | $65.00 | 26% | Jan 1, 2026 source file |
Inpatient: lowest $6.24, median $42.90, highest $48.04 — a 7.7× difference within the same market.
As an outpatient, the same code is billed by 9 facilities here, median $42.90 — 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.