Prothrombin time (PT/INR) clotting test in Riverside-San Bernardino-Ontario, CA — inpatient
In Riverside-San Bernardino-Ontario, CA, 9 hospitals list a cash price for Prothrombin time (PT/INR) clotting test as an inpatient: from $9.66 to $297.75, with a median of $54.90. The lowest listed price is at Riverside University Medical Center.
Cash prices at 9 facilities across 8 cities for code 85610, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Sep 2, 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 Riverside-San Bernardino-Ontario, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Riverside University Medical Center lowest Moreno Valley, CA HC POCT Inr | $9.66 | $9.66 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA HC POCT Prothrombin Time | $9.66 | $9.66 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA HC POCT Prothrombin Time | $9.66 | $9.66 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA HC POCT Inr | $9.66 | $9.66 | — | — source file |
| St Mary Medical Center Apple Valley, CA HC PROTHROMBIN TIME | $26.40 | $55.00 | 52% | Apr 1, 2026 source file |
| St Mary Medical Center Apple Valley, CA HC PROTHROMBIN TIME LAB | $33.44 | $69.67 | 52% | Apr 1, 2026 source file |
| Loma Linda University Childrens Hospital Loma Linda, CA HC PROTHROMBIN TIME (POC) | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Childrens Hospital Loma Linda, CA HC PROTHROMBIN TIME QUICK | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Medical Center Loma Linda, CA HC PROTHROMBIN TIME (POC) | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Medical Center Loma Linda, CA HC PROTHROMBIN TIME QUICK | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Medical Center - Murrieta Murrieta, CA HC PROTHROMBIN TIME (POC) | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Medical Center - Murrieta Murrieta, CA HC PROTHROMBIN TIME QUICK | $54.90 | $122.00 | 55% | Sep 2, 2026 source file |
| Loma Linda University Behavioral Medicine Center Redlands, CA HC PROTHROMBIN TIME (POC) | $54.90 | $122.00 | 55% | Aug 31, 2026 source file |
| Loma Linda University Behavioral Medicine Center Redlands, CA HC PROTHROMBIN TIME QUICK | $54.90 | $122.00 | 55% | Aug 31, 2026 source file |
| Palo Verde Hospital Blythe, CA Vancomycin Level Peak | $81.00 | $108.00 | 25% | Jul 1, 2026 source file |
| Kaiser Foundation Hospital - Fontana Fontana, CA PROTHROMBIN TIME | $95.16 | $183.00 | 48% | — source file |
| Kaiser Foundation Hospital - Riverside Riverside, CA PROTHROMBIN TIME | $95.16 | $183.00 | 48% | — source file |
| Palo Verde Hospital Blythe, CA Prothrombin Time and INR | $105.00 | $140.00 | 25% | Jul 1, 2026 source file |
| Riverside University Medical Center Moreno Valley, CA HC Prothrombin Time | $297.75 | $297.75 | — | — source file |
| Riverside University Medical Center Moreno Valley, CA HC Prothrombin Time | $297.75 | $297.75 | — | — source file |
Inpatient: lowest $9.66, median $54.90, highest $297.75 — a 30.8× difference within the same market.
As an outpatient, the same code is billed by 14 facilities here, median $54.90 — 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.