CMS Price Transparency Data

Blood test, urea nitrogen (BUN, kidney)

Facility: Tristar Southern Hills Medical Center

Billing Code: 84520 (CPT)

Factual Cost Summary (Answer Capsule)
  • CPT Billing Code: 84520
  • Insurance Median: $75
  • Cash Discount Price: $437
  • vs. Medicare Baseline: 18.99x Medicare
The contracted insurance negotiated median rate for a Blood test, urea nitrogen (BUN, kidney) at Tristar Southern Hills Medical Center is $75. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $437. Compared to the federal Medicare reimbursement reference rate of $3.95, this hospital’s rate is 18.99x the Medicare baseline. Located in 391 Wallace Rd, Nashville, TN.
Cash / Self-Pay
$437

Average discount available for prompt cash payment at this facility.

Insurance Median
$75

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate
$3.95

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $3.95 (100%)
Cash / Self-Pay: $437 (11063%)
Insurance Median: $75 (1899%)
Cash: $437 (11063% of Medicare)
Ins. Median: $75 (1899% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $3.95 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.

Elevated Commercial Rate Alert (Value-Gap)

The negotiated rate at this facility is 1899% of the Medicare baseline (a markup of 1799%). Patients with high-deductible plans or out-of-network benefits may face excessive out-of-pocket costs.

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
Wellpoint $2 51%
Aetna $3 - $234 76%
Ambetter / Centene $4 101%
American Health Advantage $4 101%
Amerigroup $4 101%
Atrio Golden Times $4 101%
Blue Cross Blue Shield $4 - $22 101%
Bright Health $4 - $5 101%
Devoted Health Plan $4 101%
Evergreen Hmo $4 101%
Healthspring $4 101%
Humana $4 - $117 101%
Odyssey Healthcare $4 101%
Sarah Cannon Research $4 101%
Signature Advantage $4 101%
United $4 - $210 101%
Wellcare $4 101%
Zing $4 101%
Corvel Corporation $6 152%
Novanet $6 152%
Prime Health $6 - $411 152%
Cigna $7 - $152 177%
Oscar $12 304%
Kentucky Labor Cabinet $75 - $86 1899%
Apex Health $78 - $89 1975%
Nhc Advantage, Inc. $78 - $89 1975%
Pruitt Health (Allyalign) $78 - $89 1975%
Centurion $168 - $192 4253%
Bgfh Singlesource $204 - $397 5165%
Multiplan $237 - $271 6000%
Employers Health Network $286 - $327 7241%
Odom'S Tn Pride Sausage $306 - $350 7747%
Beech Street $359 - $411 9089%

Self-Pay Upfront Cash Action Plan

Insurance In-Network Protection Plan

Facility Profile & Credentials

  • Address: 391 Wallace Rd, Nashville, TN 37211
  • CMS Rating: ★★★★☆
  • Ownership Type: Proprietary
  • Hospital Type: Acute Care Hospitals