CMS Price Transparency Data
Blood test, magnesium
Facility: Stanford Health Care Tri-Valley
Billing Code: 83735 (CPT)
The BaseRate · fair price medium confidence
A fair price for this
$14
about 2.0× the $7 Medicare rate · typically $7–$49
modeled estimate · not a bill or quote
Medicare pays $7 Fair price $14 Cash price $207 Hospital's list price $518
What each insurance company pays
Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.
1 of 6 major insurers have a published price at this hospital
✓ Blue Cross Blue Shield UnitedHealthcareAetnaCignaHumanaKaiser Permanente
Crossed out = this hospital hasn’t published a negotiated price for that insurer for this procedure. It doesn’t necessarily mean they aren’t accepted — ask your insurer.
| Insurance company | Price range | vs. Medicare |
|---|---|---|
| Blue Cross Blue Shieldmajor | $29 - $67 | 433% |
| Health Net | $7 | 104% |
Self-Pay How to get the cash price
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Other Procedures at Stanford Health Care Tri-Valley
Compare: Blood test, magnesium at other CA hospitals
- Kaiser Foundation Hospital - Panorama City · Panorama City $6
- Kaiser Foundation Hospital - Los Angeles · Los Angeles $6
- Kaiser Foundation Hospital - Downey · Downey $6
- Kaiser Foundation Hospital Fontana/Ontario · Fontana $6
- Sierra Nevada Memorial Hospital · Grass Valley $6
- Kaiser Foundation Hospital - South Bay · Harbor City $6
- Mercy Hospital of Folsom · Folsom $6
- Kaiser Foundation Hospital - San Diego · San Diego $6
Insurance negotiated median for the same procedure, sorted lowest first.