CMS Price Transparency Data

Blood test, potassium

Facility: Adventist Health Castle

Billing Code: 84132 (CPT)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 84132
Insurance Median: $43
Cash Discount Price: $34
vs. Medicare Baseline: 9.03x Medicare

The contracted insurance negotiated median rate for a Blood test, potassium at Adventist Health Castle is $43. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $34. Compared to the federal Medicare reimbursement reference rate of $4.76, this hospital’s rate is 9.03x the Medicare baseline. Located in 640 Ulukahiki St, Kailua, HI.

Cash / Self-Pay

$34

Average discount available for prompt cash payment at this facility.

Insurance Median

$43

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

$4.76

Standard federal government reimbursement rate for this code.

Visual Cost Comparison vs. Medicare

Medicare Reference Baseline: $4.76 (100%)

Cash / Self-Pay: $34 (714%)

Insurance Median: $43 (903%)

Cash: $34 (714% of Medicare)

Ins. Median: $43 (903% of Medicare)

Understanding this gauge: We use the federal Medicare rate of $4.76 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 903% of the Medicare baseline (a markup of 803%). 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
Pacific Admin Ppo - All Plans	$3 - $7	63%
Uni Health Alliance - All Plans	$3 - $7	63%
Devoted Hlth Mcr Adv - All Plans	$5	105%
Kfh Mcr Adv	$5	105%
Medicare (plans)	$5	105%
Ohana Health Plan - All Plans	$5	105%
UnitedHealthcare	$6	126%
Multiplan Hmn - All Plans	$7	147%
Hmsa Hmo	$10	210%
Hmsa Ppo - All Other Plans	$10	210%
Alohacare Quest Mcaid - All Other Plans	$18 - $35	378%
Hwmg/Hmaa - All Plans	$52 - $102	1092%
Health Alliance - All Plans	$57 - $111	1197%
Mdx Hawaii Ppo - All Plans	$57 - $111	1197%
Kfh - All Other Plans	$60 - $118	1261%
First Health Ppo - All Plans	$67 - $131	1408%
Medicaid / KanCare	$71 - $139	1492%
State Of Hi Nonprofit - All Plans	$124 - $243	2605%

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 $34.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify CPT Code matches exactly: 84132.

Insurance In-Network Protection Plan

Contact your insurance company to confirm Adventist Health Castle is fully in-network.
Ask your insurer if "Prior Authorization" is required for CPT code 84132.
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.