Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Urban Honolulu, HI

In Urban Honolulu, HI, 4 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $15.60 to $56.00, with a median of $27.60. The lowest listed price is at Straub Clinic & Hospital.

Cash prices at 4 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 Feb 12, 2026 and Feb 12, 2026.

Lowest$15.60Straub Clinic & Hospital
Median$27.60half pay less
Highest$56.00in this market
Difference3.6×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 Urban Honolulu, HI.

median
Lowest $15.60Highest $56.00

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Straub Clinic & Hospital lowest Honolulu, HI PTT $15.60 $26.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI PTT $15.60 $26.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI PTT $15.60 $26.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI THROMBOPLASTIN TIME, PTT;PLASMA/WHOLE BLD $22.80 $38.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI THROMBOPLASTIN TIME, PTT;PLASMA/WHOLE BLD $22.80 $38.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI THROMBOPLASTIN TIME, PTT;PLASMA/WHOLE BLD $22.80 $38.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI LUPUS ANTICOAGULANT $24.60 $41.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI LUPUS ANTICOAGULANT $24.60 $41.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI LUPUS ANTICOAGULANT $24.60 $41.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI PTT, PLASMA/WHOLE BLD $27.60 $46.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI PTT, PLASMA/WHOLE BLD $27.60 $46.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI PTT, PLASMA/WHOLE BLD $27.60 $46.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI PTT (PARTIAL THROMBOPLASTIN) $38.40 $64.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI THROMBOPLASTIN TIME,PTT;PLASMA/WHOLE BLD $38.40 $64.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI PTT (PARTIAL THROMBOPLASTIN) $38.40 $64.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI THROMBOPLASTIN TIME,PTT;PLASMA/WHOLE BLD $38.40 $64.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI PTT (PARTIAL THROMBOPLASTIN) $38.40 $64.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI THROMBOPLASTIN TIME,PTT;PLASMA/WHOLE BLD $38.40 $64.00 40% Feb 12, 2026
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Kapiolani Medical Center for Women & Children Honolulu, HI PART THROMB TIME (PTT) $39.60 $66.00 40% Feb 12, 2026
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Straub Clinic & Hospital Honolulu, HI PART THROMB TIME (PTT) $39.60 $66.00 40% Feb 12, 2026
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Pali Momi Medical Center Aiea, HI PART THROMB TIME (PTT) $39.60 $66.00 40% Feb 12, 2026
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Shriners Childrens - Honolulu Honolulu, HI THROMBOPLASTIN TIME PARTIAL $56.00 $56.00
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Outpatient: lowest $15.60, median $27.60, highest $56.00 — a 3.6× difference within the same market.

As an inpatient, the same code is billed by 3 facilities here, median $27.60. Inpatient and outpatient prices are not comparable and are kept on separate pages: the inpatient charge covers admission, not the same purchase.

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.