SelfPayRates — hospital cash prices, from the source

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

Cash prices at 1 facility for code 85610, as an outpatient — the setting a self-pay patient normally buys. Collected Sep 22, 2026; the hospital files themselves were last updated between — and —.

HospitalCash price List priceOffFile date
St. Peter's Health HELENA, MT
HC PROTHROMBIN TIME
$22.81 $26.84 15%
file
St. Peter's Health HELENA, MT
HC PROTHROMBIN TIME POCL/POCBS
$24.08 $28.33 15%
file
St. Peter's Health HELENA, MT
LABORATORY - HEMATOLOGY
$56.89 $66.93 15%
file

Outpatient: lowest $22.81, median $24.08, highest $56.89 — a 2.5× difference within the same market.

As an inpatient, the same code is billed by 1 facility here, median $23.45. 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