CMS Price Transparency Data

Blood test, magnesium

Facility: Children's Hospital of Philadelphia

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $129
Cash Discount Price: $300
vs. Medicare Baseline: 19.25x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Children's Hospital of Philadelphia is $129. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $300. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 19.25x the Medicare baseline. Located in 3401 Civic Center Blvd, Philadelphia, PA.

Cash / Self-Pay

$300

Average discount available for prompt cash payment at this facility.

Insurance Median

$129

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: $300 (4478%)

Insurance Median: $129 (1925%)

Cash: $300 (4478% of Medicare)

Ins. Median: $129 (1925% 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 1925% of the Medicare baseline (a markup of 1825%). 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
Geisinger Medical Assistance	$10	149%
Highmark Wholecare	$11	164%
Horizon Nj Health	$16	239%
Medicaid / KanCare	$43 - $57	642%
UnitedHealthcare	$43 - $188	642%
Health Partners	$49 - $65	731%
Aetna	$61 - $171	910%
Upmc Medical Assistance	$70 - $94	1045%
Keystone First Chip	$80 - $106	1194%
Keystone Health Plan East	$82 - $108	1224%
Blue Cross Blue Shield	$91 - $137	1358%
Geisinger Health Plan Commercial	$113 - $151	1687%
Jefferson Health Plans	$122 - $162	1821%
Cigna	$129 - $171	1925%
Highmark	$129 - $171	1925%
Qualcare	$142 - $188	2119%
First Health Network	$168 - $223	2507%
Devon Health, Intergroup, Multiplan, Valley Preferred/Populytics	$206 - $274	3075%
Private Health Care Systems	$206 - $274	3075%
Choice Care Network	$232 - $308	3463%

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 $300.
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 Children's Hospital of Philadelphia 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.