Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Marshalltown, IA — inpatient

In Marshalltown, IA, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $15.20 to $32.85, with a median of $24.03.

Cash prices at 1 facility for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Jan 28, 2026 and Jan 28, 2026.

Lowest$15.20UnityPoint Health Marshalltown
Median$24.03half pay less
Highest$32.85in this market
Difference2.2×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 Marshalltown, IA.

median
Lowest $15.20Highest $32.85

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
UnityPoint Health Marshalltown lowest Marshalltown, IA CHG THROMBOPLAS TIME PARTIAL $15.20 $19.00 20% Jan 28, 2026
source file
UnityPoint Health Marshalltown Marshalltown, IA HC PTT; PLASMA OR WHOLE BLOOD $32.85 $41.06 20% Jan 28, 2026
source file

Inpatient: lowest $15.20, median $24.03, highest $32.85 — a 2.2× difference within the same market.

As an outpatient, the same code is billed by 1 facility here, median $24.03 — 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.