Free T4 (thyroid) test at Kaiser Foundation Hospital - San Francisco
CPT 84439 · San Francisco, CA
These are Kaiser Foundation Hospital - San Francisco'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 77 California hospitals we index that post a cash price for this service: lowest $7.23, median $93.86, highest $740.75. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| California Pacific Medical Center- Van Ness Campus San Francisco, CA | 1.0 mi | $231.00 | $231.00 | 2026-04-01 |
| California Pacific Medical Center-Davies Campus Hospital San Francisco, CA | 1.2 mi | $231.00 | $231.00 | 2026-04-01 |
| Chinese Hospital San Francisco, CA | 1.8 mi | $183.00 | $183.00 | 2026-07-22 |
| Kaiser Foundation Hospital - South San Francisco South San Francisco, CA | 9.1 mi | $102.48 | $183.00 | 2026-04-01 |
| Alta Bates Summit Medical Center Oakland, CA | 10.0 mi | $231.00 | $231.00 | 2026-04-01 |
| Alta Bates Summit Medical Center - Alta Bates Camp Berkeley, CA | 12.2 mi | $231.00 | $231.00 | 2026-04-01 |
| Marinhealth Medical Center Greenbrae, CA | 12.8 mi | $190.94 | $318.24 | 2026-03-26 |
| Peninsula Medical Center Burlingame, CA | 15.2 mi | $231.00 | $231.00 | 2026-04-01 |
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 84439 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| ASSAY OF FREE THYROXINE line 8803 | both | $102.48 | $183.00 | $8.00 – $25.00 |
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 - San Francisco prices