Partial thromboplastin time (PTT), clotting test at Kaiser Foundation Hospital - Walnut Creek
CPT 85730 · Walnut Creek, CA
These are Kaiser Foundation Hospital - Walnut Creek's own posted figures from its standard-charges file dated April 1, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 81 California hospitals we index that post a cash price for this service: lowest $6.00, median $111.28, highest $735.25. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Eden Medical Center Castro Valley, CA | 10.6 mi | $236.00 | $236.00 | 2026-04-01 |
| Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA | 11.1 mi | $236.00 | $236.00 | 2026-04-01 |
| Alta Bates Summit Medical Center Oakland, CA | 13.0 mi | $236.00 | $236.00 | 2026-04-01 |
| Kaiser Foundation Hospital - San Leandro San Leandro, CA | 13.9 mi | $141.68 | $253.00 | 2026-04-01 |
| Sutter Delta Medical Center Antioch, CA | 14.1 mi | $236.00 | $236.00 | 2026-04-01 |
| Kaiser Foundation Hospital - Antioch Antioch, CA | 14.9 mi | $141.68 | $253.00 | 2026-04-01 |
| St. Rose Hospital Hayward, CA | 18.5 mi | $61.13 | $203.78 | 2026-02-23 |
| Chinese Hospital San Francisco, CA | 21.3 mi | $259.00 | $259.00 | 2026-07-22 |
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 |
|---|---|---|---|---|
| THROMBOPLASTIN TIME PARTIAL PLASMA/WHOLE BLOOD line 8958 | both | $141.68 | $253.00 | $5.00 – $15.00 |
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 Kaiser Foundation Hospital - Walnut Creek prices