Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Bozeman, MT

In Bozeman, MT, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $45.60 to $54.40, with a median of $50.00. The lowest listed price is at Deaconess Regional Medical Center.

Cash prices at 2 facilities across 2 cities for code 85730, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 2026; the hospital files themselves were last updated between Nov 19, 2024 and Nov 19, 2024.

Lowest$45.60Deaconess Regional Medical Center
Median$50.00half pay less
Highest$54.40in this market
Difference1.2×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 Bozeman, MT.

median
Lowest $45.60Highest $54.40

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Deaconess Regional Medical Center lowest Bozeman, MT HC THROMBOPLAS TIME PARTIAL - APTT $45.60 $57.00 20% Nov 19, 2024
source file
Big Sky Medical Center Big Sky, MT HC THROMBOPLAS TIME PARTIAL - APTT $54.40 $68.00 20% Nov 19, 2024
source file

Outpatient: lowest $45.60, median $50.00, highest $54.40 — a 1.2× difference within the same market.

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.