Prothrombin time (PT/INR) clotting test in Portland-South Portland, ME — inpatient
In Portland-South Portland, ME, 6 hospitals list a cash price for Prothrombin time (PT/INR) clotting test as an inpatient: from $9.36 to $125.40, with a median of $72.23. The lowest listed price is at Mercy Hospital.
Cash prices at 6 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 Aug 12, 2025 and Sep 9, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Portland-South Portland, ME.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Mercy Hospital lowest Portland, ME PROTHROMBIN TIME | $9.36 | $36.00 | 74% | — source file |
| York Hospital York, ME PT(INR) TEST | $11.40 | $19.00 | 40% | — source file |
| MaineHealth Brunswick, ME CHG PROTHROMBIN TIME | $17.00 | $17.00 | — | Sep 9, 2025 source file |
| York Hospital York, ME POC INR | $21.60 | $36.00 | 40% | — source file |
| MaineHealth Westbrook, ME HC PROTHROMBIN TIME | $52.00 | $52.00 | — | Aug 12, 2025 source file |
| York Hospital York, ME PT (PROTIME with INR) | $57.00 | $95.00 | 40% | — source file |
| York Hospital York, ME W PT PROTIME (WELLS) | $57.00 | $95.00 | 40% | — source file |
| MaineHealth Portland, ME HC PROTHROMBIN TIME | $87.45 | $87.45 | — | Sep 9, 2025 source file |
| MaineHealth Portland, ME B* HC PROTHROMBIN TIME | $87.45 | $87.45 | — | Sep 9, 2025 source file |
| MaineHealth Brunswick, ME HC PROTHROMBIN TIME | $90.60 | $90.60 | — | Sep 9, 2025 source file |
| MaineHealth Brunswick, ME HC PROTHROMTIME | $90.60 | $90.60 | — | Sep 9, 2025 source file |
| MaineHealth Biddeford, ME HC PROTHROMTIME | $117.50 | $117.50 | — | Sep 9, 2025 source file |
| MaineHealth Biddeford, ME HC PROTHROMBIN TIME | $117.50 | $117.50 | — | Sep 9, 2025 source file |
| York Hospital York, ME LABCORP PROTHROMBIN TIME | $125.40 | $209.00 | 40% | — source file |
Inpatient: lowest $9.36, median $72.23, highest $125.40 — a 13.4× difference within the same market.
As an outpatient, the same code is billed by 7 facilities here, median $57.00 — 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.