CMS Price Transparency Data
Blood test, urea nitrogen (BUN, kidney)
Facility: Saint Agnes Medical Center
Billing Code: 84520 (CPT)
The BaseRate · fair price medium confidence
A fair price for this
$6
about 1.5× the $4 Medicare rate · typically $4–$22
modeled estimate · not a bill or quote
Medicare pays $4 Fair price $6 Hospital's list price $57
What each insurance company pays
Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.
6 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 | $4 - $8 | 101% |
| Blue Cross Blue Shieldmajor | $4 - $37 | 101% |
| Aetnamajor | $4 - $39 | 101% |
| Cignamajor | $44 | 1114% |
| Humanamajor | $4 | 101% |
| Kaiser Permanentemajor | $7 | 177% |
| GEHA | $7 | 177% |
| Health Net | $39 - $46 | 987% |
| + 15 smaller / regional plans | $4 - $44 |
Government programs also on file: Medicare, Medicaid.
Excludes 4 rental-network / third-party entries (e.g. Multiplan, PHCS) — these are pricing networks, not insurers.
Self-Pay How to get the cash price
Insurance Before you use insurance
Other Procedures at Saint Agnes Medical Center
Compare: Blood test, urea nitrogen (BUN, kidney) at other CA hospitals
- Resnick Neuropsychiatric Hospital at UCLA · Los Angeles $2
- Kaiser Foundation Hospital - South San Francisco · South San Francisco $3
- Kaiser Foundation Hospital-Santa Clara · Santa Clara $3
- Kaiser Foundation Hospital - Walnut Creek · Walnut Creek $3
- Kaiser Foundation Hospital and Rehab Center · Vallejo $3
- Kaiser Foundation Hospital - Oakland/Richmond · Oakland $3
- Kaiser Foundation Hospital - San Francisco · San Francisco $3
- Kern Medical Center · Bakersfield $3
Insurance negotiated median for the same procedure, sorted lowest first.