CMS Price Transparency Data

Flu vaccine (high dose)

Facility: Adventist Health Castle

Billing Code: 90656 (HCPCS)

Factual Cost Summary (Answer Capsule)

CPT Billing Code: 90656
Insurance Median: $35
Cash Discount Price: $14
vs. Medicare Baseline: N/A Medicare

The contracted insurance negotiated median rate for a Flu vaccine (high dose) at Adventist Health Castle is $35. If you are paying out-of-pocket or uninsured, the self-pay cash discount rate is $14. Compared to the federal Medicare reimbursement reference rate of N/A, this hospital’s rate is N/A the Medicare baseline. Located in 640 Ulukahiki St, Kailua, HI.

Cash / Self-Pay

$14

Average discount available for prompt cash payment at this facility.

Insurance Median

$35

Median negotiated contract rate across all mapped commercial carriers.

Medicare Reference Rate

N/A

Standard federal government reimbursement rate for this code.

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	$4	N/A
Alohacare Quest McAid - All Other Plans	$9 - $22	N/A
Pacific Admin PPO - All Plans	$22 - $56	N/A
Hwmg/Hmaa - All Plans	$26 - $64	N/A
Health Alliance - All Plans	$28 - $70	N/A
Mdx Hawaii PPO - All Plans	$28 - $70	N/A
Kfh - All Other Plans	$30 - $74	N/A
Uni Health Alliance - All Plans	$33 - $82	N/A
First Health PPO - All Plans	$33 - $82	N/A
Medicaid / KanCare	$35 - $88	N/A
State of Hi Nonprofit - All Plans	$61 - $153	N/A

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 $14.
Request and sign a "Waiver of Insurance Submission" to prevent automatic billing.
Verify HCPCS Code matches exactly: 90656.

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 HCPCS code 90656.
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.