Lab tests CPT 85610 Inpatient — admitted to hospital

Prothrombin time (PT/INR) clotting test in Terre Haute, IN — inpatient

In Terre Haute, IN, 1 hospital lists a cash price for Prothrombin time (PT/INR) clotting test as an inpatient: from $11.40 to $78.60, with a median of $45.00.

Cash prices at 1 facility for code 85610, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.

Lowest$11.40St. Vincent Clay Hospital, Inc.
Median$45.00half pay less
Highest$78.60in this market
Difference6.9×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Terre Haute, IN.

median
Lowest $11.40Highest $78.60

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
St. Vincent Clay Hospital, Inc. lowest Brazil, IN #PROTHROMBIN TIME $11.40 $19.00 40%
source file
St. Vincent Clay Hospital, Inc. Brazil, IN PROTHROMBIN TIME $78.60 $131.00 40%
source file

Inpatient: lowest $11.40, median $45.00, highest $78.60 — a 6.9× difference within the same market.

As an outpatient, the same code is billed by 2 facilities here, median $55.14 — 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.