Sodium test cost in San Jose, CA — inpatient
In San Jose-Sunnyvale-Santa Clara, CA, 4 hospitals list a cash price for sodium blood test as an inpatient: from $95.20 to $206.80, with a median of $135.48. The lowest listed price is at Kaiser Foundation Hospital - Santa Clara and 1 other hospital — $40.28 less than the median here. Across California, the median is $65.52 at 208 hospitals.
Cash prices at 4 facilities across 4 cities for code 84295, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Apr 1, 2026 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in San Jose-Sunnyvale-Santa Clara, CA.
Hospitals, cheapest first
| Hospital | Cash price | List price | Insurers pay | Off list |
|---|---|---|---|---|
| Kaiser Foundation Hospital - Santa Clara lowest Santa Clara, CA · (408) 236-6400 SODIUM SERUM PLASMA OR WHOLE BLOOD File of Apr 1, 2026 · source file | $95.20 | $170.00 | $5.00–$15.00 | 44% |
| Kaiser Foundation Hospital - San Jose lowest San Jose, CA · (408) 972-7000 SODIUM SERUM PLASMA OR WHOLE BLOOD File of Apr 1, 2026 · source file | $95.20 | $170.00 | $5.00–$15.00 | 44% |
| El Camino Hospital Mountain View, CA · (650) 940-7000 HC SODIUM, POCT-EPOC+1 more line at this price File of Apr 1, 2026 · source file | $175.75 | $703.00 | — | 75% |
| Stanford Health Care Stanford, CA · (650) 723-4000 HC Sodium+4 more lines at this price File of Apr 1, 2026 · source file | $206.80 | $517.00 | — | 60% |
Inpatient: lowest $95.20, median $135.48, highest $206.80 — a 2.2× difference within the same market.
As an outpatient, the same code is billed by 6 facilities here, median $135.48 — that is the price to compare if you are not being admitted.
Cash or insurance?
At 0 of 2 hospitals that publish insurer rates for this code here, the cash price is below the highest rate a health plan has negotiated, and at none is it below every plan's rate. If you have insurance but have not met your deductible, you usually pay your plan's negotiated rate, which falls somewhere in the "Insurers pay" column. Paying cash can cost less, but a cash payment usually does not count toward your deductible. Ask the hospital for both numbers before you book.
What it is
A sodium test measures the level of sodium in the blood. It is used for confusion, weakness, dehydration and for people on diuretics or with heart, kidney or liver disease.
What the price covers
The price usually covers running the test. The blood draw (36415) is often billed as a separate line.