SelfPayRates — hospital cash prices, from the source

Partial thromboplastin time (PTT) clotting test in Waterloo-Cedar Falls, IA

Cash prices at 3 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 Mar 31, 2026.

HospitalCash price List priceOffFile date
Allen Memorial Hospital Corporation WATERLOO, IA
CHG THROMBOPLAS TIME PARTIAL
$15.20 $19.00 20% Jan 28, 2026
file
Allen Memorial Hospital Corporation WATERLOO, IA
HC PTT; PLASMA OR WHOLE BLOOD
$32.85 $41.06 20% Jan 28, 2026
file
Sartori Memorial Hospital Inc CEDAR FALLS, IA
HC Thromboplastin Time Partial (Ptt)
$37.70 $58.00 35% Mar 31, 2026
file
Covenant Medical Center Inc WATERLOO, IA
HC Mayo Albld Thromboplastin Time Partial (Ptt)
$37.70 $58.00 35% Mar 31, 2026
file
Covenant Medical Center Inc WATERLOO, IA
HC Mayo Aathr Thromboplastin Time Partial (Ptt)
$37.70 $58.00 35% Mar 31, 2026
file
Covenant Medical Center Inc WATERLOO, IA
HC Thromboplastin Time Partial (Ptt)
$37.70 $58.00 35% Mar 31, 2026
file
Sartori Memorial Hospital Inc CEDAR FALLS, IA
HC Mayo Aathr Thromboplastin Time Partial (Ptt)
$37.70 $58.00 35% Mar 31, 2026
file
Sartori Memorial Hospital Inc CEDAR FALLS, IA
HC Thromboplastin Time Partial (Ptt)
$1,373.00 Mar 31, 2026
file
Covenant Medical Center Inc WATERLOO, IA
HC Thromboplastin Time Partial (Ptt)
$19,256.81 Mar 31, 2026
file

Outpatient: lowest $15.20, median $37.70, highest $19,256.81 — a 1266.9× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $37.70. 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