Lab tests CPT 85730 Inpatient — admitted to hospital

Partial thromboplastin time (PTT) clotting test in Putnam, CT — inpatient

In Putnam, CT, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $5.20 to $12.53, with a median of $11.70.

Cash prices at 1 facility for code 85730, as an inpatient (admitted to hospital) . Collected Sep 22, 2026; the hospital files themselves were last updated between Aug 1, 2026 and Aug 1, 2026.

Lowest$5.20Day Kimball Healthcare
Median$11.70half pay less
Highest$12.53in this market
Difference2.4×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 Putnam, CT.

median
Lowest $5.20Highest $12.53

Hospitals, cheapest first

HospitalCash price List priceOff listFile date
Day Kimball Healthcare lowest Putnam, CT PTT LA W/REFLEX TO HEXAGONAL PHASE $5.20 $13.65 62% Aug 1, 2026
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Day Kimball Healthcare Putnam, CT PTT LA W/RFLX TO HEXAGONAL PHASE $11.70 $30.71 62% Aug 1, 2026
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Day Kimball Healthcare Putnam, CT PTT $12.53 $32.90 62% Aug 1, 2026
source file

Inpatient: lowest $5.20, median $11.70, highest $12.53 — a 2.4× difference within the same market.

As an outpatient, the same code is billed by 1 facility here, median $11.70 — 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.