CMS Price Transparency Data

Blood test, magnesium

Facility: Shannon Medical Center

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $28
Cash Discount Price: $122
vs. Medicare Baseline: 4.18x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Shannon Medical Center is $28. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $122. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 4.18x the Medicare baseline. Located in 120 E Harris Ave., San Angelo, TX.

Cash / Self-Pay

$122

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: $122 (1821%)

Insurance Median: $28 (418%)

Cash: $122 (1821% 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
Care Improvement	$7	104%
Humana	$7 - $195	104%
Molina Healthcare - Chip	$7	104%
Wellmed	$7	104%
Wellpoint	$7 - $9	104%
Scott & White	$10	149%
Cigna	$11	164%
Insurance Management Services	$11	164%
Insurance Services Of Lubbock	$11	164%
Kempton Group	$13	194%
Pdh/Texas Trust	$13	194%
Ambetter / Centene	$14	209%
90 Degree Benefits	$17	254%
Caprock	$17	254%
Blue Cross Blue Shield	$22 - $183	328%
City Of San Angelo	$34	507%
Web Tpa	$110	1642%
Aetna	$161	2403%
Assurant Health	$161	2403%
First Health	$183	2731%
UnitedHealthcare	$190	2836%
Healthsmart	$217	3239%

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 $122.
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 Shannon 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.