SelfPayRates — hospital cash prices, from the source

Partial thromboplastin time (PTT) clotting test in Madison, WI

Cash prices at 2 facilities across 2 cities for code 85730, 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 THROMBOPLAS TIME PARTIAL
$58.40 $73.00 20% Jan 28, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
Fac Thromboplastin Time, Partial
$65.00 $100.00 35% Apr 1, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
Ptt, Partial Thromboplastin Beaker1
$65.00 $100.00 35% Apr 1, 2026
file
Aspirus Divine Savior Hospital PORTAGE, WI
THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD
$65.00 $100.00 35% Apr 1, 2026
file
Meriter Hospital, Inc MADISON, WI
HC PTT; PLASMA OR WHOLE BLOOD
$92.89 $116.11 20% Jan 28, 2026
file

Outpatient: lowest $58.40, median $65.00, highest $92.89 — a 1.6× difference within the same market.

As an inpatient, the same code is billed by 2 facilities here, median $65.00. 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