CMS Price Transparency Data

Blood test, clotting time (PT/INR)

Facility: Northwestern Memorial Hospital

Billing Code: 85610 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 85610
Insurance Median: $58
Cash Discount Price: $53
vs. Medicare Baseline: 13.52x Medicare

The contracted insurance negotiated median rate for a Blood test, clotting time (PT/INR) at Northwestern Memorial Hospital is $58. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $53. Compared to the federal Medicare reimbursement reference rate of $4.29, this hospital’s rate is 13.52x the Medicare baseline. Located in 251 E Huron St, Chicago, IL.

Cash / Self-Pay

$53

Average discount available for prompt cash payment at this facility.

Insurance Median

$58

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$4.29

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $4.29 (100%)

Cash / Self-Pay: $53 (1235%)

Insurance Median: $58 (1352%)

Cash: $53 (1235% of Medicare)

Ins. Median: $58 (1352% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $4.29 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 1352% of the Medicare baseline (a markup of 1252%). 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
Aetna	$8 - $130	186%
Curaechoice [6100]	$9 - $30	210%
Imagine Health [6032]	$11 - $35	256%
Humana	$16 - $65	373%
Blue Cross Blue Shield	$18 - $130	420%
Healthlink [125]	$20 - $130	466%
Global Medical Management Inc [6090]	$23 - $75	536%
Health'S Finest Network [126]	$25 - $105	583%
Medpartners [6038]	$27 - $91	629%
Cigna	$31 - $130	723%
Multiplan/Phcs [142]	$31 - $130	723%
First Health Plan [6034]	$39 - $130	909%
Galaxy Health Network [220]	$39 - $130	909%
UnitedHealthcare	$39 - $130	909%

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 $53.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 85610.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Northwestern Memorial Hospital is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 85610.
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.