SelfPayRates — hospital cash prices, from the source

Prothrombin time (PT/INR) clotting test in Madison, WI

Cash prices at 2 facilities across 2 cities 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 Jan 28, 2026 and Apr 1, 2026.

HospitalCash price List priceOffFile date
Meriter Hospital, Inc MADISON, WI
CHG PROTHROMBIN TIME
$45.60 $57.00 20% Jan 28, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
Fac Prothrombin Tm
$46.15 $71.00 35% Apr 1, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
Prothrombin Time Beaker1
$46.15 $71.00 35% Apr 1, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
PROTHROMBIN TIME
$46.15 $71.00 35% Apr 1, 2026
file
Meriter Hospital, Inc MADISON, WI
HC PROTHROMBIN TIME
$61.24 $76.54 20% Jan 28, 2026
file

Outpatient: lowest $45.60, median $46.15, highest $61.24 — a 1.3× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $46.15. 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