CMS Price Transparency Data

Blood test, clotting time (PTT)

Facility: Presence Saint Joseph Hospital - Chicago

Billing Code: 85730 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 85730
Insurance Median: $7
Cash Discount Price: $30
vs. Medicare Baseline: 1.16x Medicare

The contracted insurance negotiated median rate for a Blood test, clotting time (PTT) at Presence Saint Joseph Hospital - Chicago is $7. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $30. Compared to the federal Medicare reimbursement reference rate of $6.01, this hospital’s rate is 1.16x the Medicare baseline. Located in 2900 North Lake Shore Drive, Chicago, IL.

Cash / Self-Pay

$30

Average discount available for prompt cash payment at this facility.

Insurance Median

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$6.01

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $6.01 (100%)

Cash / Self-Pay: $30 (499%)

Insurance Median: $7 (116%)

Cash: $30 (499% of Medicare)

Ins. Median: $7 (116% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $6.01 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
Smarthealth	$5 - $8	83%
Aetna	$6 - $9	100%
Blue Cross Blue Shield	$6 - $20	100%
Humana	$6 - $7	100%
Medicare (plans)	$6 - $7	100%
Tricare	$6	100%
UnitedHealthcare	$6 - $8	100%
Cigna	$7 - $25	116%
Bright Health	$8	133%
Imagine Health	$9	150%
Ambetter / Centene	$10	166%

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 $30.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 85730.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Presence Saint Joseph Hospital - Chicago is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 85730.
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.