CMS Price Transparency Data

Blood test, magnesium

Facility: The Outer Banks Hospital, Inc

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $28
Cash Discount Price: $48
vs. Medicare Baseline: 4.18x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at The Outer Banks Hospital, Inc is $28. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $48. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 4.18x the Medicare baseline. Located in 4800 South Croatan Highway, Nags Head, NC.

Cash / Self-Pay

$48

Average discount available for prompt cash payment at this facility.

Insurance Median

$28

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: $48 (716%)

Insurance Median: $28 (418%)

Cash: $48 (716% of Medicare)

Ins. Median: $28 (418% 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 418% of the Medicare baseline (a markup of 318%). 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
Trillium [1296]	$8	119%
Blue Cross Blue Shield	$9 - $87	134%
Aetna	$11 - $111	164%
UnitedHealthcare	$11 - $83	164%
Liberty Advantage [1313]	$11 - $52	164%
Humana	$11 - $54	164%
Carolina Complete Health [1317]	$12	179%
Amerihealth McAid Adv [1316]	$12	179%
Wellcare [1320]	$12	179%
Longevity Health [1411]	$13 - $65	194%
Nc Dept of Public Safety [1095]	$18 - $89	269%
Medcost [1067]	$19 - $96	284%
Cigna	$25 - $135	373%
Multiplan [1031]	$28 - $135	418%

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 $48.
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 The Outer Banks Hospital, Inc 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.