Partial thromboplastin time (PTT) clotting test in Ann Arbor, MI — inpatient
In Ann Arbor, MI, 1 hospital lists a cash price for Partial thromboplastin time (PTT) clotting test as an inpatient: from $26.80 to $26.80, with a median of $26.80.
Cash prices at 1 facility for code 85730, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between — and —.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| University of Michigan Health Ann Arbor, MI HC-Lab-Partial Thromboplastin | $26.80 | $67.00 | 60% | — source file |
Inpatient: lowest $26.80, median $26.80, highest $26.80.
As an outpatient, the same code is billed by 1 facility here, median $27.80 — 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.
1 row held back from this comparison
It is priced below $1 or below a tenth of the national median for code 85730 ($48.56). Such a line is almost always a physician's fee billed separately, an assistant's share or a placeholder — a real charge, but not the price of the procedure itself.
| University of Michigan Health Ann Arbor, MIPc-Thromboplas Time Partial | $2.00 | file |