Magnesium test at Coast Plaza Hospital
CPT 83735 · 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 81 California hospitals we index that post a cash price for this service: lowest $6.00, median $108.05, highest $477.25. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Downey Downey, CA | 3.5 mi | $106.08 | $204.00 | 2026-04-01 |
| La Palma Intercommunity Hospital La Palma, CA | 4.7 mi | $6.00 | $193.77 | 2026-09-01 |
| Memorialcare Long Beach Medical Center Long Beach, CA | 8.8 mi | $57.00 | $57.00 | 2026-04-01 |
| Community Hospital of Huntington Park Huntington Park, CA | 9.2 mi | $274.05 | $274.05 | 2026-02-04 |
| Providence St. Jude Medical Center Fullerton, CA | 9.6 mi | $73.92 | $154.00 | 2026-04-01 |
| East Los Angeles Doctors Hospital Los Angeles, CA | 10.4 mi | $274.05 | $274.05 | 2026-02-04 |
| Los Angeles Community Hospital Los Angeles, CA | 10.4 mi | $212.98 | $212.98 | 2026-03-18 |
| Memorial Hospital of Gardena Gardena, CA | 12.4 mi | $274.05 | $274.05 | 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 83735 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| ASSAY OF MAGNESIUM line 30211 | outpatient | $274.05 | $274.05 | $2.81 – $219.24 |
| ASSAY OF MAGNESIUM line 6785 | inpatient | $274.05 | $274.05 | $191.84 – $219.24 |
| ASSAY OF MAGNESIUM line 9331 | inpatient | $3.74 | $3.74 | $2.62 – $2.99 |
| ASSAY OF MAGNESIUM line 36346 | outpatient | $3.74 | $3.74 | $1.75 – $15.93 |
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