Free T4 (thyroid) test at Coast Plaza Hospital
CPT 84439 · Norwalk, CA
These are Coast Plaza Hospital's own posted figures from its standard-charges file dated February 4, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
The posted cash price equals the gross charge: this file shows no self-pay discount for this service.
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 |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Downey Downey, CA | 3.5 mi | $68.12 | $131.00 | 2026-04-01 |
| La Palma Intercommunity Hospital La Palma, CA | 4.7 mi | $9.00 | $328.31 | 2026-09-01 |
| Memorialcare Long Beach Medical Center Long Beach, CA | 8.8 mi | $58.00 | $58.00 | 2026-04-01 |
| Community Hospital of Huntington Park Huntington Park, CA | 9.2 mi | $165.90 | $165.90 | 2026-02-04 |
| Providence St. Jude Medical Center Fullerton, CA | 9.6 mi | $61.44 | $128.00 | 2026-04-01 |
| East Los Angeles Doctors Hospital Los Angeles, CA | 10.4 mi | $165.90 | $165.90 | 2026-02-04 |
| Los Angeles Community Hospital Los Angeles, CA | 10.4 mi | $305.07 | $305.07 | 2026-03-18 |
| Memorial Hospital of Gardena Gardena, CA | 12.4 mi | $165.90 | $165.90 | 2026-02-04 |
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 30189 | outpatient | $165.90 | $165.90 | $3.79 – $132.72 |
| ASSAY OF FREE THYROXINE line 1237 | inpatient | $10.70 | $10.70 | $7.49 – $8.56 |
| THYROXINE FREE - LABCORP line 6828 | inpatient | $4.65 | $4.65 | $3.26 – $3.72 |
| THYROXINE (T4),FREE,DIRECT - LABCORP line 9111 | inpatient | $4.65 | $4.65 | $3.26 – $3.72 |
| ASSAY OF FREE THYROXINE line 9484 | inpatient | $165.90 | $165.90 | $116.13 – $132.72 |
| THYROXINE (T4),FREE,DIRECT - LABCORP line 20516 | outpatient | $4.65 | $4.65 | $2.18 – $21.45 |
| ASSAY OF FREE THYROXINE line 22215 | outpatient | $10.70 | $10.70 | $3.79 – $21.45 |
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 Coast Plaza Hospital prices