CMS Price Transparency Data

Blood test, magnesium

Facility: Prosser Memorial Hospital

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $115
Cash Discount Price: $79
vs. Medicare Baseline: 17.16x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at Prosser Memorial Hospital is $115. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $79. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 17.16x the Medicare baseline. Located in 723 Memorial Street, Prosser, WA.

Cash / Self-Pay

$79

Average discount available for prompt cash payment at this facility.

Insurance Median

$115

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: $79 (1179%)

Insurance Median: $115 (1716%)

Cash: $79 (1179% of Medicare)

Ins. Median: $115 (1716% 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 1716% of the Medicare baseline (a markup of 1616%). 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
UnitedHealthcare	$11 - $58	164%
Kaiser Permanente	$29 - $131	433%
Community Health Plan Of Washington	$31 - $58	463%
Coordinated Care	$31 - $58	463%
Molina	$32 - $58	478%
Amerigroup	$33 - $62	493%
Health Alliance Northwest	$36	537%
Humana	$36 - $122	537%
Wellcare	$36	537%
Aetna	$43 - $122	642%
Ambetter / Centene	$101 - $111	1507%
Asuris	$115 - $130	1716%
Health Management Adminstrators	$115 - $130	1716%
Premera	$115	1716%
Regence	$115 - $130	1716%
Cigna	$118	1761%
First Choice	$122	1821%
Multiplan	$122 - $130	1821%

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 $79.
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 Prosser 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.