Lab tests CPT 85730 Inpatient — admitted to hospital

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

In Sheboygan, WI, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $46.86 to $91.08, with a median of $49.75. The lowest listed price is at St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis.

Cash prices at 2 facilities 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 Nov 21, 2025.

Lowest$46.86St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis
Median$49.75half pay less
Highest$91.08in this market
Difference1.9×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 Sheboygan, WI.

median
Lowest $46.86Highest $91.08

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis lowest Sheboygan, WI THROMBOPLASTIN TIME PARTIAL $46.86 $71.00 34%
source file
St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis Sheboygan, WI HC PTT $49.50 $75.00 34%
source file
Aurora Medical Center Sheboygan County Sheboygan, WI PARTIAL THROMBOPLASTIN TIME $50.00 $100.00 50% Nov 21, 2025
source file
St Nicholas Hospital of the Hospital Sisters of the Third Order of St Francis Sheboygan, WI HC APTT $91.08 $138.00 34%
source file

Inpatient: lowest $46.86, median $49.75, highest $91.08 — a 1.9× difference within the same market.

As an outpatient, the same code is billed by 2 facilities here, median $49.75 — 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.