SelfPayRates — hospital cash prices, from the source

Prothrombin time (PT/INR) clotting test in WATERBURY, CT

Cash prices at 2 facilities 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 Mar 31, 2026 and May 13, 2026.

HospitalCash price List priceOffFile date
Saint Marys Hospital WATERBURY, CT
HC Prothrombin Time
$18.70 $34.00 45% Mar 31, 2026
file
UConn Health, Waterbury Hospital WATERBURY, CT
Prothrombin Time
$34.97 $69.94 50% May 13, 2026
file
UConn Health, Waterbury Hospital WATERBURY, CT
INR POC
$35.54 $71.08 50% May 13, 2026
file
UConn Health, Waterbury Hospital WATERBURY, CT
ACC INR POC
$35.54 $71.08 50% May 13, 2026
file

Outpatient: lowest $18.70, median $35.26, highest $35.54 — a 1.9× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $35.26. 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