CMS Price Transparency Data
Blood test, urea nitrogen (BUN, kidney)
Facility: CHI St Alexius Health Williston
Billing Code: 84520 (CPT)
The BaseRate · fair price medium confidence
A fair price for this
$31
about 7.8× the $4 Medicare rate · typically $13–$54
modeled estimate · not a bill or quote
Medicare pays $4 Fair price $31 Cash price $24 Hospital's list price $41
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 | $9 - $57 | 228% |
| Blue Cross Blue Shieldmajor | $4 - $43 | 101% |
| HealthPartners | $11 - $66 | 278% |
| Medica | $4 - $66 | 101% |
| Sanford Health Plan | $7 - $42 | 177% |
Excludes 1 rental-network / third-party entry (e.g. Multiplan, PHCS) — these are pricing networks, not insurers.
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Other Procedures at CHI St Alexius Health Williston
Compare: Blood test, urea nitrogen (BUN, kidney) at other ND hospitals
- Trinity Hospitals · Minot $4
- Sanford Medical Center Fargo · Fargo $4
- Sanford Medical Center Bismarck · Bismarck $4
- Altru Hospital · Grand Forks $4
- Essentia Health · Fargo $4
- PAM Rehabilitation Hospital of Fargo · Fargo $4
- McKenzie County Healthcare Systems Inc · Watford City $8
Insurance negotiated median for the same procedure, sorted lowest first.