CMS Price Transparency Data

Blood test, magnesium

Facility: Decatur Memorial Hospital

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $82
Cash Discount Price: $178
vs. Medicare Baseline: 12.24x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Decatur Memorial Hospital is $82. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $178. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 12.24x the Medicare baseline. Located in 2300 North Edward Street, Decatur, IL.

Cash / Self-Pay

$178

Average discount available for prompt cash payment at this facility.

Insurance Median

$82

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: $178 (2657%)

Insurance Median: $82 (1224%)

Cash: $178 (2657% of Medicare)

Ins. Median: $82 (1224% 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 1224% of the Medicare baseline (a markup of 1124%). 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
Blue Cross Blue Shield	$6 - $178	90%
Medicaid / KanCare	$6	90%
Aetna	$7 - $119	104%
Coventry	$7 - $90	104%
Health Alliance	$7 - $118	104%
Humana	$7 - $116	104%
Medicare (plans)	$7	104%
Tricare	$7	104%
UnitedHealthcare	$7 - $178	104%
Veterans Administration	$7	104%
Wellcare	$7	104%
Caterpillar	$8	119%
Plain Church Medical Group	$9 - $80	134%
Illinois Workers Compensation	$29 - $62	433%
Hfn	$58 - $134	866%
Commercial Workers Compensation	$59	881%
Mennonite Churches	$62	925%
Health Alliance Mh Employee Plan	$82	1224%
Cigna	$83	1239%
6 Degrees Health	$107	1597%
Hopetrust	$107	1597%
Hst	$107	1597%
Phcs Savility	$116	1731%
Phcs Multiplan Ppo	$121	1806%
Healthlink	$122	1821%
Corvel	$128	1910%
Consociate	$132	1970%
Liability	$178	2657%

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 $178.
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 Decatur Memorial Hospital 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.