CMS Price Transparency Data

Blood test, magnesium

Facility: CHI St Lukes Health Memorial San Augustine

Billing Code: 83735 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 83735
Insurance Median: $27
Cash Discount Price: $32
vs. Medicare Baseline: 4.03x Medicare

The contracted insurance negotiated median rate for a Blood test, magnesium at CHI St Lukes Health Memorial San Augustine is $27. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $32. Compared to the federal Medicare reimbursement reference rate of $6.7, this hospital’s rate is 4.03x the Medicare baseline. Located in 511 Hospital St, San Augustine, TX.

Cash / Self-Pay

$32

Average discount available for prompt cash payment at this facility.

Insurance Median

$27

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: $32 (478%)

Insurance Median: $27 (403%)

Cash: $32 (478% of Medicare)

Ins. Median: $27 (403% 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 403% of the Medicare baseline (a markup of 303%). 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
United	$4 - $288	60%
Aetna	$6 - $72	90%
Tchp	$6	90%
Blue Cross Blue Shield	$7 - $27	104%
Cigna	$7 - $28	104%
Humana	$7 - $201	104%
Scanhealth	$7	104%
Wellpoint	$7 - $14	104%
Md Save	$8	119%
Superior	$9 - $14	134%
Multiplan	$16 - $201	239%
PHCS	$16 - $230	239%
Entrust	$17	254%
Angelina County	$18	269%
Brookshire Brothers	$20	299%
Galaxy	$21 - $259	313%

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 $32.
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 CHI St Lukes Health Memorial San Augustine 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.