Partial thromboplastin time (PTT) clotting test in Winston-Salem, NC — inpatient
In Winston-Salem, NC, 3 hospitals list a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $43.00 to $47.00, with a median of $45.50. The lowest listed price is at North Carolina Baptist Hospital — $2.50 less than the median here. Across North Carolina, the median is $45.50 at 37 hospitals.
Cash prices at 3 facilities across 3 cities for code 85730, as an inpatient (admitted to hospital) . Collected Sep 24, 2026; the hospital files themselves were last updated between Oct 8, 2025 and Oct 21, 2025.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Winston-Salem, NC.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| North Carolina Baptist Hospital lowest Bermuda Run, NC HC THROMBOPLAS TIME PARTIAL | $43.00 | $86.00 | 50% | Oct 21, 2025 source file |
| North Carolina Baptist Hospital Winston Salem, NC HC THROMBOPLAS TIME PARTIAL | $45.50 | $91.00 | 50% | Oct 8, 2025 source file |
| Lexington Medical Center Lexington, NC HC THROMBOPLAS TIME PARTIAL | $47.00 | $94.00 | 50% | Oct 8, 2025 source file |
Inpatient: lowest $43.00, median $45.50, highest $47.00 — a 1.1× difference within the same market.
As an outpatient, the same code is billed by 3 facilities here, median $45.50 — 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.