Prothrombin time (PT/INR) clotting test in Boston-Cambridge-Newton, MA-NH — inpatient
In Boston-Cambridge-Newton, MA-NH, 7 hospitals list a cash price for Prothrombin time (PT/INR) clotting test as an inpatient: from $6.59 to $23.50, with a median of $10.50. The lowest listed price is at Boston Medical Center South.
Cash prices at 7 facilities across 5 cities for code 85610, as an inpatient (admitted to hospital) . Collected Sep 23, 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 Boston-Cambridge-Newton, MA-NH.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Boston Medical Center South lowest Brockton, MA HC Chg Prothrombin Time | $6.59 | $14.64 | 55% | — source file |
| Boston Medical Center Brighton Boston, MA HC Chg Prothrombin Time | $7.94 | $17.65 | 55% | — source file |
| Melrosewakefield Healthcare Melrose, MA HC Prothrombin Time - Protime-Inr | $10.50 | $15.00 | 30% | — source file |
| Lowell General Hospital Lowell, MA HC Prothrombin Time - Protime-Inr | $10.50 | $15.00 | 30% | — source file |
| Tufts Medical Center Boston, MA HC Prothrombin Time - Protime-Inr | $10.50 | $15.00 | 30% | — source file |
| Boston Medical Center Boston, MA HC Chg Prothrombin Time POC | $21.15 | $47.00 | 55% | — source file |
| Boston Medical Center Boston, MA HC Chg Prothrombin Time | $21.15 | $47.00 | 55% | — source file |
| Cambridge Health Alliance Cambridge, MA HC Prothrombin Time | $23.50 | $23.50 | — | — source file |
| Cambridge Health Alliance Cambridge, MA HC Prothrombin Time So | $23.50 | $23.50 | — | — source file |
Inpatient: lowest $6.59, median $10.50, highest $23.50 — a 3.6× difference within the same market.
As an outpatient, the same code is billed by 8 facilities here, median $15.83 — 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.