CMS Price Transparency Data
Blood test, magnesium
Facility: St James Hospital
Billing Code: 83735 (CPT)
The BaseRate · fair price high confidence
A fair price for this
$36
about 5.1× the $7 Medicare rate · typically $16–$37
modeled estimate · not a bill or quote
Medicare pays $7 Fair price $36 Hospital's list price $91
What each insurance company pays
Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.
5 of 6 major insurers have a published price at this hospital
✓ UnitedHealthcare✓ Blue Cross Blue Shield✓ Aetna✓ Cigna✓ Humana Kaiser 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 - $89 | 104% |
| Blue Cross Blue Shieldmajor | $53 - $104 | 791% |
| Aetnamajor | $73 - $99 | 1090% |
| Cignamajor | $40 - $99 | 597% |
| Humanamajor | $7 | 104% |
| GEHA | $65 - $89 | 970% |
| PacificSource | $44 - $99 | 657% |
| + 6 smaller / regional plans | $14 - $99 |
Self-Pay How to get the cash price
Insurance Before you use insurance
Other Procedures at St James Hospital
Compare: Blood test, magnesium at other MT hospitals
- Phillips County Hospital - Cah · Malta $5
- Roundup Memorial Healthcare · Roundup $7
- Logan Health Medical Center · Kalispell $10
- Central Montana Medical Center · Lewistown $10
- St. Patrick Hospital · Missoula $11
- St Peters Health · Helena $12
- Great Falls Clinic Hospital · Great Falls $13
- Logan Health - Whitefish · Whitefish $13
Insurance negotiated median for the same procedure, sorted lowest first.