Prothrombin time (PT/INR) clotting test in Columbia, MO
In Columbia, MO, 2 hospitals list a cash price for Prothrombin time (PT/INR) clotting test: from $15.99 to $27.36, with a median of $26.70. The lowest listed price is at Boone Hospital Center.
Cash prices at 2 facilities 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 Dec 15, 2025 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 Columbia, MO.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Boone Hospital Center lowest Columbia, MO PROTHROMBIN TIME | $15.99 | $26.65 | 40% | Apr 1, 2026 source file |
| Curators of the University of Missouri Columbia, MO PROTHROMBIN TIME P28620746 | $21.84 | $36.40 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO PROTHROMBIN TIME P31020746 | $21.84 | $36.40 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO PROTIME LUPUS PANEL P28629019 | $21.84 | $36.40 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO LUPUS PT P28632223 | $26.70 | $44.50 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO PROTHROMBIN TIME P28630255 | $26.70 | $44.50 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO LUPUS PT P31032223 | $26.70 | $44.50 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO POC PT INR CAPILLARY OR VENOUS P31025414 | $27.36 | $45.60 | 40% | Dec 15, 2025 source file |
| Curators of the University of Missouri Columbia, MO POC PT INR CAPILLARY OR VENOUS P28625414 | $27.36 | $45.60 | 40% | Dec 15, 2025 source file |
Outpatient: lowest $15.99, median $26.70, highest $27.36 — a 1.7× difference within the same market.
As an inpatient, the same code is billed by 2 facilities here, median $26.70. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.
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.