CMS Price Transparency Data

Blood test, magnesium

Facility: Sanford Vermillion Medical Center

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $32
Cash Discount Price: $46
vs. Medicare Baseline: 4.78x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Sanford Vermillion Medical Center is $32. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $46. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 4.78x the Medicare baseline. Located in 20 South Plum Street, Vermillion, SD.

Cash / Self-Pay

$46

Average discount available for prompt cash payment at this facility.

Insurance Median

$32

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: $46 (687%)

Insurance Median: $32 (478%)

Cash: $46 (687% of Medicare)

Ins. Median: $32 (478% 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 478% of the Medicare baseline (a markup of 378%). Patients with high-deductible plans or out-of-network benefits may face excessive out-of-pocket costs.

Consult Patient Advocate

Out-of-Pocket Cost Estimator

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

Billing Status

Remaining Deductible ($)

Your Coinsurance 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
Sanford Health Plan Align	$11 - $18	164%
Wellmark Sd	$11 - $18	164%
Aetna	$12 - $52	179%
Health Partners	$12 - $45	179%
Medicare (plans)	$12 - $20	179%
Primewest	$12 - $20	179%
Ucare	$12 - $53	179%
UnitedHealthcare	$12 - $50	179%
Sanford Health Plan	$15 - $32	224%
Security Health Plan	$20 - $33	299%
Medica	$31 - $53	463%
Wellmark	$32 - $52	478%
First Choice Health Network	$33 - $54	493%
Healthez	$33 - $54	493%
Multiplan	$33 - $54	493%

Self-Pay Upfront Cash Action Plan

Request a "Self-Pay classification" with the billing desk before receiving care.
Ask for a written "Prompt-Pay Discount" agreement quoting the price of $46.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 83735.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Sanford Vermillion Medical Center is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 83735.
Confirm the specific physician or imaging center is also in-network (not just the hospital building).
Audit your Explanation of Benefits (EOB) against the final itemized hospital invoice.