Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Tulsa, OK

In Tulsa, OK, 6 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $22.11 to $31.20, with a median of $22.11. The lowest listed price is at Owasso Medical Facility, Inc..

Cash prices at 6 facilities across 4 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 Apr 1, 2026 and Apr 1, 2026.

Lowest$22.11Owasso Medical Facility, Inc.
Median$22.11half pay less
Highest$31.20in this market
Difference1.4×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 Tulsa, OK.

median
Lowest $22.11Highest $31.20

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Owasso Medical Facility, Inc. lowest N Owasso, OK APTT- 46733 $22.11 $59.75 63%
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St. John Broken Arrow, Inc. Jenks, OK APTT 46733 $22.11 $59.75 63%
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St. John Broken Arrow, Inc. Jenks, OK APTT- 46733 $22.11 $59.75 63%
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St. John Medical Center, Inc. Tulsa, OK APTT 46733 $22.11 $59.75 63%
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St. John Medical Center, Inc. Tulsa, OK APTT- 46733 $22.11 $59.75 63%
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St. John Sapulpa, Inc. Sapulpa, OK APTT- 46733 $22.11 $59.75 63%
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Saint Francis Hospital Yale Tulsa, OK Hc Thromboplastin Time Partial Plasma/Whole Blood $31.20 $78.00 60% Apr 1, 2026
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Saint Francis Hospital South Tulsa, OK Hc Thromboplastin Time Partial Plasma/Whole Blood $31.20 $78.00 60% Apr 1, 2026
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Outpatient: lowest $22.11, median $22.11, highest $31.20 — a 1.4× difference within the same market.

As an inpatient, the same code is billed by 6 facilities here, median $22.11. 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.