Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Evansville, IN

In Evansville, IN, 3 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $11.55 to $122.21, with a median of $52.20. The lowest listed price is at Deaconess Hospital, Inc.

Cash prices at 3 facilities across 3 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 Feb 11, 2026 and Feb 13, 2026.

Lowest$11.55Deaconess Hospital, Inc
Median$52.20half pay less
Highest$122.21in this market
Difference10.6×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 Evansville, IN.

median
Lowest $11.55Highest $122.21

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Deaconess Hospital, Inc lowest Newburgh, IN CHG THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $11.55 $33.00 65% Feb 11, 2026
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Deaconess Hospital, Inc Newburgh, IN APTT $11.55 $33.00 65% Feb 11, 2026
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Deaconess Hospital, Inc Newburgh, IN APTT $11.55 $33.00 65% Feb 13, 2026
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Deaconess Hospital, Inc Newburgh, IN CHG THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $11.55 $33.00 65% Feb 13, 2026
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St. Mary's Warrick Hospital, Inc. Boonville, IN #THROMBOPLAST PTT;PLSM/WHL BLD $52.20 $87.00 40%
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St. Mary's Warrick Hospital, Inc. Boonville, IN #THROMBOPLAST PTT;PLSM/WHL BLD $52.20 $87.00 40%
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St. Mary's Health, Inc. Evansville, IN #THROMBOPLAST PTT;PLSM/WHL BLD $52.20 $87.00 40%
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St. Mary's Health, Inc. Evansville, IN #THROMBOPLAST PTT;PLSM/WHL BLD $52.20 $87.00 40%
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St. Mary's Warrick Hospital, Inc. Boonville, IN THROMBOPLASTIN TIME PTT;PLASMA $58.80 $98.00 40%
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St. Mary's Health, Inc. Evansville, IN THROMBOPLASTIN TIME PTT;PLASMA $58.80 $98.00 40%
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St. Mary's Health, Inc. Evansville, IN THROMBOPLASTIN TIME PTT;PLASMA $58.80 $98.00 40%
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St. Mary's Warrick Hospital, Inc. Boonville, IN THROMBOPLASTIN TIME PTT;PLASMA $58.80 $98.00 40%
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Deaconess Hospital, Inc Newburgh, IN HC APTT B $122.21 $207.13 41% Feb 13, 2026
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Deaconess Hospital, Inc Newburgh, IN HC LUPUS ANTICOAG THROMBOPLASTIN TIME PARTIAL $122.21 $207.12 41% Feb 13, 2026
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Outpatient: lowest $11.55, median $52.20, highest $122.21 — a 10.6× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $52.20. 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.