CMS Price Transparency Data

Blood test, magnesium

Facility: University of Colorado Hospital Authority

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $53
Cash Discount Price: $54
vs. Medicare Baseline: 7.91x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at University of Colorado Hospital Authority is $53. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $54. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 7.91x the Medicare baseline. Located in 12605 E 16Th Ave, Aurora, CO.

Cash / Self-Pay

$54

Average discount available for prompt cash payment at this facility.

Insurance Median

$53

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: $54 (806%)

Insurance Median: $53 (791%)

Cash: $54 (806% of Medicare)

Ins. Median: $53 (791% 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 791% of the Medicare baseline (a markup of 691%). 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	$6 - $17	90%
Aetna	$7 - $33	104%
Blue Cross Blue Shield	$7 - $128	104%
Cigna	$7 - $16	104%
Cms	$7	104%
Denver Health Medical Plan	$7 - $116	104%
Devoted Health	$7	104%
Humana	$7	104%
Kaiser	$7 - $128	104%
Select Health	$7 - $18	104%
Rocky Mountain Health Plan	$14 - $111	209%
Simplified Benefits Administration	$15 - $80	224%
Kaiser Public Option	$16 - $85	239%
Phcs	$23 - $120	343%
Multiplan	$25 - $131	373%
First Health	$29 - $153	433%
Midlands Choice	$29 - $153	433%

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 $54.
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 University of Colorado Hospital Authority 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.