CMS Price Transparency Data

Blood test, magnesium

Facility: Rockcastle County Hospital, Inc.

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $49
Cash Discount Price: $71
vs. Medicare Baseline: 7.31x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Rockcastle County Hospital, Inc. is $49. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $71. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 7.31x the Medicare baseline. Located in 145 Newcomb Avenue, Mount Vernon, KY.

Cash / Self-Pay

$71

Average discount available for prompt cash payment at this facility.

Insurance Median

$49

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: $71 (1060%)

Insurance Median: $49 (731%)

Cash: $71 (1060% of Medicare)

Ins. Median: $49 (731% 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 731% of the Medicare baseline (a markup of 631%). 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
Tricare	$5	75%
Blue Cross Blue Shield	$6 - $96	90%
Caresource Mcr Adv-All Other Plans	$7	104%
Humana	$7	104%
Molina Marketplace - All Other Plans	$7	104%
Molina Mcr Adv	$7	104%
Signature Mcr Adv-All Plans	$7	104%
Wellcare Mcr Adv-All Other Plans	$7	104%
Passport Hp Hmo - All Plans	$9 - $38	134%
Multiplan-All Plans	$27 - $118	403%
Prime Health Services-All Plans	$27 - $118	403%
Integrated Hp-All Plans	$28 - $124	418%
Corvel - All Plans	$29 - $125	433%
Center Care-All Plans	$30 - $132	448%
Cigna	$31 - $135	463%
Caresource Mcaid	$32 - $139	478%
Coventry Mcaid-All Plans	$32 - $139	478%
Medicaid / KanCare	$32 - $139	478%
Molina Mcaid	$32 - $139	478%
UnitedHealthcare	$32 - $139	478%

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 $71.
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 Rockcastle County 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.