CMS Price Transparency Data

Diagnostic mammogram (both breasts)

Facility: Trident Medical Center

Billing Code: 77066 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 77066
Insurance Median: $140
Cash Discount Price: $1,149
vs. Medicare Baseline: 0.89x Medicare

The contracted insurance negotiated median rate for a Diagnostic mammogram (both breasts) at Trident Medical Center is $140. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $1,149. Compared to the federal Medicare reimbursement reference rate of $156.98, this hospital’s rate is 0.89x the Medicare baseline. Located in 9330 Medical Plaza Dr, Charleston, SC.

Cash / Self-Pay

$1,149

Average discount available for prompt cash payment at this facility.

Insurance Median

$140

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$156.98

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $156.98 (100%)

Cash / Self-Pay: $1,149 (732%)

Insurance Median: $140 (89%)

Cash: $1,149 (732% of Medicare)

Ins. Median: $140 (89% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $156.98 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.

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
Blue Choice	$49	31%
United	$49 - $517	31%
Preferred Health Systems	$55	35%
Aetna	$95 - $451	61%
Humana	$96 - $862	61%
Advantage Hospice	$102	65%
Agape Hospice	$102	65%
Arcadian	$102	65%
Blue Cross Blue Shield	$102 - $1,092	65%
Companion	$102	65%
Devoted Health	$102	65%
Odyssey Hospice	$102	65%
United Behavioral Health	$102	65%
Absolute Total Care	$104 - $207	66%
Molina	$104	66%
Wellcare	$104	66%
Boldage Pace	$105	67%
Clover	$107	68%
Eon Health	$107	68%
Cigna	$110	70%
Universal Healthcare Group	$123	78%
Corvel Corporation	$140	89%
Employer'S Health Network	$140	89%
Prime Health	$140 - $977	89%
Heritage Summit	$150	96%
Seven Corners	$179	114%
Select Health	$192	122%
Naphcare	$214	136%
Nhc Advantage	$218	139%
Pruitt Health	$218	139%
Medcost	$439 - $646	280%
Employers Health Network	$517	329%
Occunet	$574	366%
Vocational Rehab	$620	395%
First Health	$839	534%
Mhnet	$862	549%
Evernorth	$919	585%
Multiplan	$977	622%
Novanet	$1,034	659%

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 $1,149.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 77066.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Trident Medical Center is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 77066.
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.