SelfPayRates — hospital cash prices, from the source

Partial thromboplastin time (PTT) clotting test in Milwaukee-Waukesha, WI

Cash prices at 17 facilities across 11 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 Nov 21, 2025 and Mar 23, 2026.

HospitalCash price List priceOffFile date
Ascension SE Wisconsin Hospital, Inc. FRANKLIN, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$38.16 $72.00 47%
file
Wheaton Franciscan Healthcare - Southeast Wisconsin Inc FRANKLIN, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$38.16 $72.00 47%
file
Ascension St. Francis Hospital, Inc. MILWAUKEE, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$38.16 $72.00 47%
file
Ascension SE Wisconsin Hospital, Inc. MILWAUKEE, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$38.16 $72.00 47%
file
Columbia St. Mary's, Inc. GLENDALE, WI
PTT
$39.22 $74.00 47%
file
Aurora West Allis Medical Center WEST ALLIS, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Medical Center Grafton GRAFTON, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Medical Center Summit SUMMIT, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Medical Center Washington County HARTFORD, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Medical Center Kenosha KENOSHA, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Psychiatric Hospital WAUWATOSA, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora Sinai Medical Center of Aurora Health Care Metro Inc MILWAUKEE, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora St Lukes Medical Center of Aurora Health Care Metro Inc MILWAUKEE, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Aurora St Lukes South Shore of Aurora Health Care Metro Inc CUDAHY, WI
PARTIAL THROMBOPLASTIN TIME
$50.00 $100.00 50% Nov 21, 2025
file
Columbia St. Mary's Hospital Ozaukee, Inc. MEQUON, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$53.00 $100.00 47%
file
Columbia St. Mary's Hospital Ozaukee, Inc. MEQUON, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$53.00 $100.00 47%
file
Columbia St. Mary's Hospital Milwaukee, Inc. MILWAUKEE, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$53.00 $100.00 47%
file
Columbia St. Mary's Hospital Milwaukee, Inc. MILWAUKEE, WI
HC THROMBOPLASTIN TIME PARTIAL PLASMA OR WB
$53.00 $100.00 47%
file
Children's Hospital of Wisconsin MILWAUKEE, WI
HBC PARTIAL THROMBOPLASTIN TIME
$64.90 $118.00 45% Mar 23, 2026
file
Children's Hospital of Wisconsin MILWAUKEE, WI
HBC PARTIAL THROMBOPLASTIN TIME
$64.90 $118.00 45% Mar 23, 2026
file
Children's Hospital of Wisconsin MILWAUKEE, WI
HBC LUPUS ANTICOAGULANT LUPIRF
$70.26 $127.75 45% Mar 23, 2026
file
Children's Hospital of Wisconsin MILWAUKEE, WI
HBC LUPUS ANTICOAGULANT LUPIRF
$70.26 $127.75 45% Mar 23, 2026
file

Outpatient: lowest $38.16, median $50.00, highest $70.26 — a 1.8× difference within the same market.

As an inpatient, the same code is billed by 13 facilities here, median $50.00. 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