Free T4 (thyroid) test at Los Angeles General Medical Center
CPT 84439 · Los Angeles, CA
These are Los Angeles General Medical Center's own posted figures from its standard-charges file dated July 7, 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 |
|---|---|---|---|---|
| East Los Angeles Doctors Hospital Los Angeles, CA | 2.1 mi | $165.90 | $165.90 | 2026-02-04 |
| Los Angeles Community Hospital Los Angeles, CA | 2.1 mi | $305.07 | $305.07 | 2026-03-18 |
| Community Hospital of Huntington Park Huntington Park, CA | 4.9 mi | $165.90 | $165.90 | 2026-02-04 |
| Southern California Hospital at Hollywood Hollywood, CA | 7.4 mi | $217.58 | $217.58 | 2026-03-18 |
| Cedars-Sinai Medical Center Los Angeles, CA | 9.3 mi | $7.23 | $11.13 | 2025-11-26 |
| Kaiser Foundation Hospital - Downey Downey, CA | 9.8 mi | $68.12 | $131.00 | 2026-04-01 |
| Centinela Hospital Medical Center Inglewood, CA | 10.6 mi | $9.00 | $442.00 | 2026-09-01 |
| Kaiser Foundation Hospital - West la Los Angeles, CA | 10.8 mi | $68.12 | $131.00 | 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 6698 | outpatient | $93.00 | $93.00 – $93.00 | |
| "ASSAY OF FREE THYROXINE" line 42284 | outpatient | $11.35 – $17.37 | ||
| "ASSAY OF FREE THYROXINE" line 53820 | outpatient | $9.02 – $16.24 |
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 Los Angeles General Medical Center prices