Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Portland-South Portland, ME — inpatient

In Portland-South Portland, ME, 5 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $16.12 to $190.05, with a median of $69.60. The lowest listed price is at Mercy Hospital.

Cash prices at 5 facilities across 4 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Sep 9, 2025 and Sep 9, 2025.

Lowest$16.12Mercy Hospital
Median$69.60half pay less
Highest$190.05in this market
Difference11.8×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Portland-South Portland, ME.

median
Lowest $16.12Highest $190.05

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Mercy Hospital lowest Portland, ME PTT $16.12 $62.00 74%
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Mercy Hospital Portland, ME THROMBOPLASTIN TIME PARTIAL $16.12 $62.00 74%
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York Hospital York, ME THROMBOPLASTIN TIME PARTIAL $35.40 $59.00 40%
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York Hospital York, ME PTT (LAC) SCREEN (CHG) $42.60 $71.00 40%
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York Hospital York, ME THROMBOPLASTIN TIME PARTIAL PLASMA WHOLE $46.80 $78.00 40%
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York Hospital York, ME PROLONGED APTT BLEEDING EVALUATION $69.60 $116.00 40%
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York Hospital York, ME PTT $69.60 $116.00 40%
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York Hospital York, ME W PTT (WELLS) $69.60 $116.00 40%
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MaineHealth Portland, ME B* HC THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD $112.00 $112.00 Sep 9, 2025
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York Hospital York, ME LABCORP THROMBOPLASTINE TIME PARTIAL $125.40 $209.00 40%
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MaineHealth Biddeford, ME HC THROMTIME PARTIAL PLASMA/WHOLE BLOOD $178.15 $178.15 Sep 9, 2025
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MaineHealth Brunswick, ME HC THROMTIME PARTIAL PLASMA/WHOLE BLOOD $190.05 $190.05 Sep 9, 2025
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Inpatient: lowest $16.12, median $69.60, highest $190.05 — a 11.8× difference within the same market.

As an outpatient, the same code is billed by 6 facilities here, median $69.60 — that is the price to compare if you are not being admitted.

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.