Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Duluth, MN-WI — inpatient

In Duluth, MN-WI, 9 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $8.94 to $76.12, with a median of $66.33. The lowest listed price is at Range Regional Health Services.

Cash prices at 9 facilities across 6 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 Apr 1, 2026.

Lowest$8.94Range Regional Health Services
Median$66.33half pay less
Highest$76.12in this market
Difference8.5×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 Duluth, MN-WI.

median
Lowest $8.94Highest $76.12

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Range Regional Health Services lowest Hibbing, MN HC LUPUS PTT AL $8.94 $21.03 57% Jan 29, 2026
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Aspirus St. Luke’s Hospital Duluth, MN Fac Thromboplastin Time, Partial $54.40 $100.00 46% Apr 1, 2026
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Aspirus St. Luke’s Hospital Duluth, MN Ptt, Partial Thromboplastin Beaker1 $54.40 $100.00 46% Apr 1, 2026
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Aspirus St. Luke’s Hospital Duluth, MN THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $54.40 $100.00 46% Apr 1, 2026
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Range Regional Health Services Hibbing, MN HC PTT $62.48 $147.00 57% Jan 29, 2026
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Essentia Health Virginia N Virginia, MN THROMBOPLASTIN TIME PARTIAL $64.68 $103.00 37% Jan 1, 2026
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Essentia Health St. Mary's Medical Center Duluth, MN THROMBOPLASTIN TIME PARTIAL $67.98 $103.00 34% Jan 1, 2026
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Essentia Health St. Mary's Children's Hospital Duluth, MN THROMBOPLASTIN TIME PARTIAL $67.98 $103.00 34% Jan 1, 2026
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Essentia Health Duluth Duluth, MN THROMBOPLASTIN TIME PARTIAL $67.98 $103.00 34% Jan 1, 2026
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Essentia Health Moose Lake Moose Lake, MN THROMBOPLASTIN TIME PARTIAL $76.12 $103.00 26% Jan 1, 2026
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Essentia Health Northern Pines Aurora, MN THROMBOPLASTIN TIME PARTIAL $76.12 $103.00 26% Jan 1, 2026
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Essentia Health St Marys Hospital-Superior Superior, WI THROMBOPLASTIN TIME PARTIAL $76.12 $103.00 26% Jan 1, 2026
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Inpatient: lowest $8.94, median $66.33, highest $76.12 — a 8.5× difference within the same market.

As an outpatient, the same code is billed by 9 facilities here, median $66.33 — 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.