Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in South Bend-Mishawaka, IN-MI — inpatient

In South Bend-Mishawaka, IN-MI, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $74.10 to $87.10, with a median of $87.10. The lowest listed price is at Memorial Hospital of South Bend.

Cash prices at 2 facilities across 2 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Jan 1, 2026 and Mar 31, 2026.

Lowest$74.10Memorial Hospital of South Bend
Median$87.10half pay less
Highest$87.10in this market
Difference1.2×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 South Bend-Mishawaka, IN-MI.

median
Lowest $74.10Highest $87.10

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Memorial Hospital of South Bend lowest South Bend, IN PTT with Mixing Studies if Indicated $74.10 $114.00 35% Jan 1, 2026
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Memorial Hospital of South Bend South Bend, IN PTT $74.10 $114.00 35% Jan 1, 2026
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Memorial Hospital of South Bend South Bend, IN 85730 THROMBOPLASTIN TIME PARTIAL $74.10 $114.00 35% Jan 1, 2026
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Mishawaka Medical Center Mishawaka, IN HC Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Mishawaka Medical Center Mishawaka, IN HC Labcorp 500070 Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Mishawaka Medical Center Mishawaka, IN HC Labcorp 117079 Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Mishawaka Medical Center Mishawaka, IN HC Labcorp 117157 Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Mishawaka Medical Center Mishawaka, IN HC Labcorp 117199 Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Mishawaka Medical Center Mishawaka, IN HC Labcorp 501768 Thromboplastin Time Partial (Ptt) $87.10 $134.00 35% Mar 31, 2026
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Inpatient: lowest $74.10, median $87.10, highest $87.10 — a 1.2× difference within the same market.

As an outpatient, the same code is billed by 2 facilities here, median $87.10 — that is the price to compare if you are not being admitted.

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.