Prothrombin time (PT/INR) clotting test in Grayling, MI
In Grayling, MI, 1 hospital lists a cash price for Prothrombin time (PT/INR) clotting test: from $8.27 to $30.60, with a median of $30.60.
Cash prices at 1 facility for code 85610, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 17, 2026 and Apr 17, 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 Grayling, MI.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| Munson Healthcare Grayling lowest Grayling, MI 85610 4832 | $8.27 | $9.72 | 15% | Apr 17, 2026 source file |
| Munson Healthcare Grayling Grayling, MI Prothrombin Time and INR | $30.60 | $36.00 | 15% | Apr 17, 2026 source file |
| Munson Healthcare Grayling Grayling, MI PROTHROMBIN TIME | $30.60 | $36.00 | 15% | Apr 17, 2026 source file |
| Munson Healthcare Grayling Grayling, MI INR POC | $30.60 | $36.00 | 15% | Apr 17, 2026 source file |
| Munson Healthcare Grayling Grayling, MI INR (POCT) | $30.60 | $36.00 | 15% | Apr 17, 2026 source file |
| Munson Healthcare Grayling Grayling, MI PROTHROMBIN TIME BCE | $30.60 | $36.00 | 15% | Apr 17, 2026 source file |
Outpatient: lowest $8.27, median $30.60, highest $30.60 — a 3.7× difference within the same market.
As an inpatient, the same code is billed by 1 facility here, median $30.60. 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.