CMS Price Transparency Data

Blood test, potassium

Facility: Marinhealth Medical Center

Billing Code: 84132 (CPT)

Factual Cost Summary (Answer Capsule)
  • CPT Billing Code: 84132
  • Insurance Median: $9
  • Cash Discount Price: $101
  • vs. Medicare Baseline: 1.89x Medicare
The contracted insurance negotiated median rate for a Blood test, potassium at Marinhealth Medical Center is $9. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $101. Compared to the federal Medicare reimbursement reference rate of $4.76, this hospital’s rate is 1.89x the Medicare baseline. Located in 250 Bon Air Road, Greenbrae, CA.
Cash / Self-Pay
$101

Average discount available for prompt cash payment at this facility.

Insurance Median
$9

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate
$4.76

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $4.76 (100%)
Cash / Self-Pay: $101 (2122%)
Insurance Median: $9 (189%)
Cash: $101 (2122% of Medicare)
Ins. Median: $9 (189% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $4.76 as the cost baseline. Rates below the baseline represent excellent value. In-network commercial rates commonly hover around 150% - 250% of Medicare, while rates exceeding 300% are elevated. Hover over the green and blue markers to view detailed calculations.

Out-of-Pocket Cost Estimator

Estimate whether it is more economical to use your insurance or pay the upfront self-pay cash rate.

Input your details and click calculate to compare out-of-pocket costs.

Commercial Insurance Negotiated Rates

Negotiated contract ranges established by major commercial carriers at this facility.

Carrier / Plan Group Contract Rate Range vs. Medicare Reference
Aetna $5 - $10 105%
Brown And Tolan $5 105%
Healthnet Tailored Network $5 105%
Kaiser $5 105%
Marin Cancer Care $5 105%
Blue Cross Blue Shield $6 - $7 126%
Canopy Hill Physicians $6 126%
Cigna $6 - $14 126%
Healthnet Hmo/Ppo Hill Physicians $6 126%
Hills Blue Shield Hmo/Ppo $6 126%
Ca Prison Health Care Services $8 168%
Healthnet Enhancedcare $12 252%
UnitedHealthcare $13 - $2,330 273%
Provider Network Of America $23 483%
Canopy $27 567%
Blue Shield Cpic/Epo $28 588%
Providers Network Of America $30 630%
Blue Shield Hmo/Ppo $31 651%
Healthnet Hmo/Ppo $32 672%
Blue Shield Aco $33 693%

Self-Pay Upfront Cash Action Plan

Insurance In-Network Protection Plan

Facility Profile & Credentials

  • Address: 250 Bon Air Road, Greenbrae, CA 94904
  • CMS Rating: ★★★★★
  • Ownership Type: Government - Hospital District or Authority
  • Hospital Type: Acute Care Hospitals