Lab tests CPT 85730 Outpatient

Partial thromboplastin time (PTT) clotting test in Richmond-Berea, KY

In Richmond-Berea, KY, 2 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test: from $18.00 to $172.53, with a median of $47.70. The lowest listed price is at Mercy Health Marcum & Wallace Hospital LLC.

Cash prices at 2 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 Sep 18, 2026 and Sep 18, 2026.

Lowest$18.00Mercy Health Marcum & Wallace Hospital LLC
Median$47.70half pay less
Highest$172.53in this market
Difference9.6×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 Richmond-Berea, KY.

median
Lowest $18.00Highest $172.53

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Mercy Health Marcum & Wallace Hospital LLC lowest Irvine, KY HC So Ptt $18.00 $30.00 40%
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Mercy Health Marcum & Wallace Hospital LLC Irvine, KY HC So1 Ptt $28.80 $48.00 40%
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Mercy Health Marcum & Wallace Hospital LLC Irvine, KY HC Ptt $66.60 $111.00 40%
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Baptist Healthcare System INC Eastern Byp Richmond, KY Coagulation assessment blood test, plasma or whole blood $172.53 $230.04 25% Sep 18, 2026
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Outpatient: lowest $18.00, median $47.70, highest $172.53 — a 9.6× difference within the same market.

As an inpatient, the same code is billed by 1 facility here, median $28.80. 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.