Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Green Bay, WI — inpatient

In Green Bay, WI, 5 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $17.59 to $91.08, with a median of $49.50. The lowest listed price is at Bellin Memorial Health Inc.

Cash prices at 5 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 Nov 21, 2025 and Jun 27, 2026.

Lowest$17.59Bellin Memorial Health Inc
Median$49.50half pay less
Highest$91.08in 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 Green Bay, WI.

median
Lowest $17.59Highest $91.08

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Bellin Memorial Health Inc lowest Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); PLASMA $17.59 $38.00 54% Jun 27, 2026
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Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT) $17.59 $38.00 54% Jun 27, 2026
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Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); HEPARIN ABSORBED $17.59 $38.00 54% Jun 27, 2026
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Bellin Memorial Health Inc Green Bay, WI THROMBOPLASTIN TIME, PARTIAL (PTT); PLASMA OR WHOLE BLOOD $17.59 $38.00 54% Jun 27, 2026
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St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT (LUPUS) $46.86 $71.00 34%
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St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI THROMBOPLASTIN TIME PARTIAL $46.86 $71.00 34%
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St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI THROMBOPLASTIN TIME PARTIAL $46.86 $71.00 34%
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St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI HC PTT $49.50 $75.00 34%
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St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT $49.50 $75.00 34%
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St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI HC PTT $49.50 $75.00 34%
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Aurora BayCare Medical Center Green Bay, WI PARTIAL THROMBOPLASTIN TIME $50.00 $100.00 50% Nov 21, 2025
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St Clare Memorial Hospital Inc Oconto Falls, WI HC PTT-PRV 72 HR $56.10 $85.00 34%
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St Clare Memorial Hospital Inc Oconto Falls, WI HC APTT $91.08 $138.00 34%
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St Marys Hospital Medical Center of Green Bay INC Hospital Sisters Green Bay, WI HC APTT $91.08 $138.00 34%
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St Vincent Hospital of the Hospital Sisters of the Third Order of St Francis Green Bay, WI HC APTT $91.08 $138.00 34%
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Inpatient: lowest $17.59, median $49.50, highest $91.08 — a 5.2× difference within the same market.

As an outpatient, the same code is billed by 5 facilities here, median $49.50 — 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.