Lab tests CPT 85730 Outpatient

PTT blood test cost in Chester, MT

In Chester, MT, 1 hospital lists a cash price for partial thromboplastin time (PTT) clotting test: from $8.61 to $8.61, with a median of $8.61. Across Montana, the median is $44.00 at 21 hospitals.

Cash prices at 1 facility for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 29, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

Lowest$8.61Logan Health - Chester
Median$8.61half pay less
Highest$8.61in this market
Difference1.0×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 Chester, MT.

median
Lowest $8.61Highest $85.96

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
Logan Health - Chester lowest Chester, MT · (406) 759-5181 APTSC (Mayo ALUPP) $8.61 $13.25 — 35% Apr 1, 2026
source file
Logan Health - Chester Chester, MT · (406) 759-5181 Activated Partial Thrombopl Time, P (Mayo AATHR) $17.22 $26.50 — 35% Apr 1, 2026
source file
Logan Health - Chester Chester, MT · (406) 759-5181 PTT $85.96 $132.25 — 35% Apr 1, 2026
source file

Outpatient: lowest $8.61, median $8.61, highest $8.61.

As an inpatient, the same code is billed by 1 facility here, median $8.61. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.