CMS Price Transparency Data
Blood test, magnesium
Facility: Mount Auburn Hospital
Billing Code: 83735 (CPT)
The BaseRate · fair price high confidence
A fair price for this
$14
about 2.0× the $7 Medicare rate · typically $9–$16
modeled estimate · not a bill or quote
Medicare pays $7 Fair price $14 Cash price $47 Hospital's list price $47
What each insurance company pays
Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.
2 of 6 major insurers have a published price at this hospital
✓ UnitedHealthcare✓ Blue Cross Blue Shield AetnaCignaHumanaKaiser 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 |
|---|---|---|
| UnitedHealthcaremajor | $7 | 104% |
| Blue Cross Blue Shieldmajor | $16 | 239% |
| Harvard Pilgrim | $18 | 269% |
| UniCare | $14 | 209% |
Self-Pay How to get the cash price
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Other Procedures at Mount Auburn Hospital
Compare: Blood test, magnesium at other MA hospitals
- UMass Memorial Healthalliance Hospitals · Leominster $7
- UMass Memorial Health - Harrington Hospital · Southbridge $7
- Holyoke Medical Center · Holyoke $7
- Boston Medical Center · Boston $7
- Boston Medical Center-Brighton · Brighton $7
- Southcoast Hospitals Group · Fall River $7
- Milford Regional Medical Center · Milford $7
- Good Samaritan Medical Center · Brockton $7
Insurance negotiated median for the same procedure, sorted lowest first.