Partial thromboplastin time (PTT), clotting test at Children's Hospital of Michigan
CPT 85730 · Detroit, MI
These are Children's Hospital of Michigan's own posted figures from its standard-charges file dated April 6, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 19 Michigan hospitals we index that post a cash price for this service: lowest $8.29, median $34.65, highest $319.15. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Harper University Hospital Detroit, MI | 0.0 mi | $185.25 | $247.00 | 2026-09-02 |
| Detroit Receiving Hospital Detroit, MI | 0.0 mi | $178.50 | $238.00 | 2026-04-07 |
| Karmanos Cancer Center Detroit, MI | 0.0 mi | $45.30 | $90.60 | 2025-12-31 |
| Henry Ford Health Hospital Detroit, MI | 2.1 mi | $8.29 | $57.00 | 2026-06-28 |
| Sinai-Grace Hospital Detroit, MI | 8.8 mi | $171.75 | $229.00 | 2026-04-08 |
| Henry Ford Health St. John Hospital Detroit, MI | 10.0 mi | $24.08 | $43.00 | 2026-01-01 |
| Ascension Providence Hospital, Southfield and Novi Southfield, MI | 11.7 mi | $13.44 | $24.00 | 2026-01-01 |
| Surgeons Choice Medical Center Southfield, MI | 11.7 mi | $38.00 | $38.00 | 2026-05-08 |
Distances are straight-line from ZIP code centers. Each hospital's figures come from its own file; files are updated on different dates.
Every row for CPT 85730 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| PTT standard_charge_information[9323] | both | $151.50 | $202.00 | |
| PTT standard_charge_information[9318] | both | $69.00 | $92.00 | |
| PTT standard_charge_information[9319] | both | $130.50 | $174.00 | |
| PTT standard_charge_information[9322] | both | $73.50 | $98.00 |
The first row is the one used above. A price for one code usually covers the hospital's facility charge only; the doctor, anesthesia, pathology and other services can be billed separately. Ask the hospital for a good faith estimate before a scheduled service: if you pay yourself and the bill comes in $400 or more above the estimate, you can dispute it under the No Surprises Act.
Check a bill from this hospital All Children's Hospital of Michigan prices