Lab tests CPT 85730 Maryland Outpatient

Partial thromboplastin time (PTT) clotting test cost in Maryland

In Maryland, 6 hospitals publish a cash price for Partial thromboplastin time (PTT) clotting test: from $12.60 to $29.56, with a median of $23.50. The lowest price is at UPMC Western Maryland (Cumberland). The highest price is 2.3× 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$12.60UPMC Western Maryland
Median$23.50half pay less
Highest$29.56in Maryland
Lowest saves$10.90vs the median

Hospitals in Maryland, cheapest first

HospitalCash price List priceFile date
UPMC Western Maryland lowest Cumberland · Cumberland, MD-WV LUPUS ANTICOAGULANT $12.60 $21.00 —
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Greater Baltimore Medical Center Towson · Baltimore-Columbia-Towson, MD HC Partial Thromboplast $14.54 $14.84 —
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TidalHealth Peninsula Salisbury · Salisbury, MD HC PTT SCREENING $21.96 $22.41 —
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Atlantic General Hospital Berlin · Ocean Pines, MD Thromboplastin time, partial (PTT); plasma or whole blood $25.04 $25.04 —
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Mercy Medical Center, Inc. Baltimore · Baltimore-Columbia-Towson, MD HC THROMBOPLAS TIME PARTIAL $25.66 $26.18 —
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Mt. Washington Pediatric Hospital Baltimore · Baltimore-Columbia-Towson, MD PARTIAL THROMBOPLAS TIME $29.56 $30.16 —
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By metro area

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

Metro areaHospitals LowestMedian
Baltimore-Columbia-Towson, MD 3 $14.54 $25.66
Cumberland, MD-WV 1 $12.60 $12.60
Ocean Pines, MD 1 $25.04 $25.04
Salisbury, MD 1 $21.96 $21.96

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.