Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Hartford, CT — inpatient

In Hartford, CT, 3 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $14.95 to $156.00, with a median of $27.50. The lowest listed price is at Connecticut Children's.

Cash prices at 3 facilities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Mar 31, 2026 and Mar 31, 2026.

Lowest$14.95Connecticut Children's
Median$27.50half pay less
Highest$156.00in this market
Difference10.4×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 Hartford, CT.

median
Lowest $14.95Highest $156.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Connecticut Children's lowest Hartford, CT Ppt - La $14.95 $24.92 40%
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Connecticut Children's Hartford, CT Thromb Time, Partial (Ptt); Plasma or Whole Bld $14.95 $24.92 40%
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Connecticut Children's Hartford, CT Thromb Time, Partial (Ptt); Plasma or Whole Bld $14.95 $24.92 40%
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Connecticut Children's Hartford, CT PTT $14.95 $24.92 40%
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Connecticut Children's Hartford, CT PTT $14.95 $24.92 40%
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Connecticut Children's Hartford, CT Ppt - La $14.95 $24.92 40%
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Saint Francis Hospital and Medical Center Hartford, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) $27.50 $50.00 45% Mar 31, 2026
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Mount Sinai Rehabilitation Hospital, Inc Hartford, CT HC Thromboplastin Time Partial (Ptt) $27.50 $50.00 45% Mar 31, 2026
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Saint Francis Hospital and Medical Center Hartford, CT HC Thromboplastin Time Partial (Ptt) $27.50 $50.00 45% Mar 31, 2026
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Mount Sinai Rehabilitation Hospital, Inc Hartford, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) $27.50 $50.00 45% Mar 31, 2026
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Saint Francis Hospital and Medical Center Hartford, CT HC Warde 3500044 Thromboplastin Time Partial (Ptt) $27.50 $50.00 45% Mar 31, 2026
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Connecticut Children's Hartford, CT Drvvt (Ptt-La) Screen $42.00 $70.00 40%
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Connecticut Children's Hartford, CT Drvvt (Ptt-La) Screen $42.00 $70.00 40%
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Connecticut Children's Hartford, CT Serotonin $156.00 $260.00 40%
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Connecticut Children's Hartford, CT Serotonin $156.00 $260.00 40%
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Inpatient: lowest $14.95, median $27.50, highest $156.00 — a 10.4× difference within the same market.

As an outpatient, the same code is billed by 4 facilities here, median $27.50 — 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.