Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Terre Haute, IN

In Terre Haute, IN, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $18.60 to $96.00, with a median of $91.50. The lowest listed price is at St. Vincent Clay Hospital, Inc..

Cash prices at 2 facilities across 2 cities for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Jun 10, 2026 and Jun 10, 2026.

Lowest$18.60St. Vincent Clay Hospital, Inc.
Median$91.50half pay less
Highest$96.00in this market
Difference5.2×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 $18.60Highest $96.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
St. Vincent Clay Hospital, Inc. lowest Brazil, IN #THROMBOPLAST PTT;PLSM/WHL BLD $18.60 $31.00 40%
source file
St. Vincent Clay Hospital, Inc. Brazil, IN #THROMBOPLAST PTT;PLSM/WHL BLD $18.60 $31.00 40%
source file
Sullivan County Community Hospital Sullivan, IN Coagulation assessment blood test, plasma or whole blood $91.50 $122.00 25% Jun 10, 2026
source file
St. Vincent Clay Hospital, Inc. Brazil, IN THROMBOPLASTIN TIME PTT;PLASMA $96.00 $160.00 40%
source file
St. Vincent Clay Hospital, Inc. Brazil, IN THROMBOPLASTIN TIME PTT;PLASMA $96.00 $160.00 40%
source file

Outpatient: lowest $18.60, median $91.50, highest $96.00 — a 5.2× difference within the same market.

As an inpatient, the same code is billed by 1 facility here, median $57.30. 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 partial thromboplastin time (PTT or aPTT) test measures how long it takes blood to clot through a different pathway than the PT test. It is used to check for bleeding disorders, before surgery, and to monitor heparin.

What the price covers

The price usually covers the PTT test. The blood draw is often billed separately.