CMS Price Transparency Data

Blood test, magnesium

Facility: Mercy Rehabilitation Hospital South

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)
  • CPT Billing Code: 83735
  • Insurance Median: $23
  • Cash Discount Price: $23
  • vs. Medicare Baseline: 3.43x Medicare
The contracted insurance negotiated median rate for a Blood test, magnesium at Mercy Rehabilitation Hospital South is $23. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $23. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 3.43x the Medicare baseline. Located in 10114 Kennerly Rd, Saint Louis, MO.
Cash / Self-Pay
$23

Average discount available for prompt cash payment at this facility.

Insurance Median
$23

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate
$6.7

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $6.7 (100%)
Cash / Self-Pay: $23 (343%)
Insurance Median: $23 (343%)
Cash: $23 (343% of Medicare)
Ins. Median: $23 (343% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $6.7 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 343% of the Medicare baseline (a markup of 243%). 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
Aetna $23 343%
Ambetter / Centene $23 343%
Blue Cross Blue Shield $23 343%
Cigna $23 343%
Devoted Health $23 343%
Essence $23 343%
Healthlink Hmo $23 343%
Healthlink Ppo $23 343%
Healthy Blue (Missouri Care) $23 343%
Homestate Health Plan $23 343%
Humana $23 343%
Medica $23 343%
Medicaid / KanCare $23 343%
Meritain Health Cpd $23 343%
Meritain Health Ppo Cpd $23 343%
Starmark Cpd $23 343%
Tricare $23 343%
UnitedHealthcare $23 343%
Wellcare $23 343%

Self-Pay Upfront Cash Action Plan

Insurance In-Network Protection Plan

Facility Profile & Credentials

  • Address: 10114 Kennerly Rd, Saint Louis, MO 63128
  • CMS Rating: No CMS Rating
  • Ownership Type: N/A
  • Hospital Type: PART A PROVIDER - HOSPITAL