SelfPayRates — hospital cash prices, from the source

Prothrombin time (PT/INR) clotting test in Worcester, MA

Cash prices at 3 facilities across 3 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 Mar 26, 2026 and Apr 3, 2026.

HospitalCash price List priceOffFile date
UMass Memorial Health - Harrington Hospital, Inc. SOUTHBRIDGE, MA
HC Prothrombin Time
$28.00 $28.00 Apr 3, 2026
file
HealthAlliance - Clinton Hospital LEOMINSTER, MA
Prothrombin Time
$33.20 $33.20 Mar 26, 2026
file
UMass Memorial Health - Harrington Hospital, Inc. SOUTHBRIDGE, MA
Prothrombin Time
$33.20 $33.20 Apr 3, 2026
file
UMass Memorial Medical Center WORCESTER, MA
Prothrombin Time
$33.20 $33.20 Mar 26, 2026
file
HealthAlliance - Clinton Hospital LEOMINSTER, MA
HC Inr
$40.00 $40.00 Mar 26, 2026
file
HealthAlliance - Clinton Hospital LEOMINSTER, MA
HC Prothrombin Time
$43.00 $43.00 Mar 26, 2026
file
UMass Memorial Medical Center WORCESTER, MA
HC Inr
$89.00 $89.00 Mar 26, 2026
file
UMass Memorial Medical Center WORCESTER, MA
HC Prothrombin Time
$96.00 $96.00 Mar 26, 2026
file

Outpatient: lowest $28.00, median $36.60, highest $96.00 — a 3.4× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $36.60. 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