Lab tests CPT 85730 Connecticut Outpatient

Partial thromboplastin time (PTT) clotting test cost in Connecticut

In Connecticut, 16 hospitals publish a cash price for Partial thromboplastin time (PTT) clotting test: from $5.20 to $58.00, with a median of $29.73. The lowest price is at Day Kimball Healthcare (Putnam). The highest price is 11.2× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 85730. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$5.20Day Kimball Healthcare
Median$29.73half pay less
Highest$58.00in Connecticut
Lowest saves$24.53vs the median

Hospitals in Connecticut, cheapest first

HospitalCash price List priceFile date
Day Kimball Healthcare lowest Putnam · Putnam, CT PTT LA W/REFLEX TO HEXAGONAL PHASE $5.20 $13.65 Aug 1, 2026
source file
Silver Hill Hospital INC New Canaan · New Canaan, CT Coagulation assessment blood test, plasma or whole blood $10.75 $10.75 Sep 1, 2026
source file
Connecticut Children's Hartford · Hartford, CT Ppt - La $14.95 $24.92 —
source file
Saint Marys Hospital Waterbury · Waterbury, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) $22.00 $40.00 Mar 31, 2026
source file
Johnson Memorial Hospital Stafford Springs · Stafford Springs, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) $27.50 $50.00 Mar 31, 2026
source file
Mount Sinai Rehabilitation Hospital, Inc Hartford · Hartford, CT HC Warde 2500780 Thromboplastin Time Partial (Ptt) $27.50 $50.00 Mar 31, 2026
source file
Saint Francis Hospital and Medical Center Hartford · Hartford, CT HC Warde 3500044 Thromboplastin Time Partial (Ptt) $27.50 $50.00 Mar 31, 2026
source file
Gaylord Hospital Inc Wallingford · Wallingford, CT Drvvt Interpretation $27.54 $39.34 Apr 21, 2026
source file
UConn Health, Waterbury Hospital Waterbury · Waterbury, CT Lupus Anticoagulant Eval w/reflex 85730 $31.91 $63.81 May 13, 2026
source file
State of Connecticut Farmington · Farmington, CT HC PART. THROMBOPLSN TIME (PTT) $39.60 $66.00 Jul 1, 2026
source file
The William W Backus Hospital Norwich · Norwich, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $50.00 $50.00 —
source file
Hartford Hospital Hartford · Hartford, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD - PTT-LA RFLX HEXAGONAL PHASE $50.03 $50.03 —
source file
Hospital of Central Connecticut at New Britain D/B/A the Hospital of Central Connecticut New Britain · New Britain, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $50.03 $50.03 —
source file
Windham Community Memorial Hospital INC Willimantic · Willimantic, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD - LUPUS ANTICOAGULANT SCREEN W/ REFLEX $50.03 $50.03 —
source file
The Charlotte Hungerford Hospital Torrington · Torrington, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $57.50 $57.50 —
source file
Svmc Holdings INC D/B/A St VINCENT�S Medical Center Bridgeport · Bridgeport, CT HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD - LUPUS ANTICOAGULANT SCREEN W/ REFLEX $58.00 $58.00 —
source file

By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
Hartford, CT 4 $14.95 $27.50
Waterbury, CT 2 $22.00 $26.96
Bridgeport, CT 1 $58.00 $58.00
Farmington, CT 1 $39.60 $39.60
New Britain, CT 1 $50.03 $50.03
New Canaan, CT 1 $10.75 $10.75
Norwich, CT 1 $50.00 $50.00
Putnam, CT 1 $5.20 $5.20
Stafford Springs, CT 1 $27.50 $27.50
Torrington, CT 1 $57.50 $57.50
Wallingford, CT 1 $27.54 $27.54
Willimantic, CT 1 $50.03 $50.03

What it is

The partial thromboplastin time (PTT or aPTT) test measures how long it takes blood to clot through a different pathway than the PT test. It is used to check for bleeding disorders, before surgery, and to monitor heparin.

What the price covers

The price usually covers the PTT test. The blood draw is often billed separately.

Partial thromboplastin time (PTT) clotting test in other states

Median cash price across the state's hospitals.