SelfPayRates — hospital cash prices, from the source

Prothrombin time (PT/INR) clotting test in Missoula, MT

Cash prices at 1 facility for code 85610, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.

HospitalCash price List priceOffFile date
Providence Health & Services - Montana MISSOULA, MT
HC PROTHROMBIN TIME LAB
$36.00 $45.00 20% Apr 1, 2026
file
Providence Health & Services - Montana MISSOULA, MT
HC PROTHROMBIN TIME
$39.20 $49.00 20% Apr 1, 2026
file
Providence Health & Services - Montana MISSOULA, MT
HC PROTHROMBIN TIME 85610
$39.20 $49.00 20% Apr 1, 2026
file

Outpatient: lowest $36.00, median $39.20, highest $39.20 — a 1.1× difference within the same market.

As an inpatient, the same code is billed by 1 facility here, median $39.20. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

Other markets for this procedure