CMS Price Transparency Data

Blood test, magnesium

Facility: Griffin Hospital

Billing Code: 83735 (CPT)

The BaseRate · fair price high confidence
A fair price for this
$7
about 1.0× the $7 Medicare rate · typically $6–$12
modeled estimate · not a bill or quote
What this hospital charges insurers
$13
Well above the fair price
about $6 over the fair price · 1.9× Medicare
Medicare pays $7 Fair price $7 This hospital $13 Cash price $7 Hospital's list price $191

How we calculate the fair BaseRate →

How this hospital compares to other CT hospitals

Highest price of the 9 CT hospitals we have prices for — worth calling around.

Cheapest $4 Priciest $13

Black dot = this hospital, among the 9 CT hospitals with a price for this procedure. Full list below.

A fair price for a Blood test, magnesium is about $7 (about 1.0× the $7 Medicare rate). Griffin Hospital charges insurers about $13, or about $7 in cash — well above the fair price. Located in Derby, CT.

This price is above the fair BaseRate — you may be able to pay less

Ask the hospital for the cash / self-pay price, check whether you qualify for financial assistance, or negotiate the bill down toward the fair price of about $7. Many patients pay well below the first number they’re quoted — the checklists below walk you through it.

What each insurance company pays

Which insurers have negotiated a price with this hospital for this procedure — and which haven’t.

4 of 6 major insurers have a published price at this hospital

✓ UnitedHealthcare✓ Blue Cross Blue Shield✓ Aetna✓ Cigna HumanaKaiser 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 60%
Blue Cross Blue Shieldmajor $10 - $194 149%
Aetnamajor $13 - $14 194%
Cignamajor $24 358%
+ 4 smaller / regional plans $4 - $171

Self-Pay How to get the cash price

Insurance Before you use insurance

Estimate your out-of-pocket cost

A rough estimate of what you’d pay with insurance (deductible + coinsurance) versus paying the cash price yourself.

Enter your details and press estimate to compare.

Facility Profile & Credentials

  • Address: 130 Division St, Derby, CT 06418
  • CMS Rating: ★★★★☆
  • Ownership Type: Voluntary non-profit - Other
  • Hospital Type: Acute Care Hospitals