HCPCS A9558 at Swedish Medical Center

Xenon xe-133 gas, diagnostic, per 10 millicuries

Swedish Medical Center, Seattle

Description from CMS's HCPCS Level II code file.

What Swedish Medical Center publishes for this code: as an outpatient

Swedish Medical Center’s prices for HCPCS A9558, as an outpatient
Who pays	Hospital’s fee (lowest – highest)	Doctor’s fee the hospital lists
Commercial insuranceInsurer rates	$2901 plan	—
Cash pricePaying yourself, without insurance	—	—
List priceBefore any discount; few people pay it	—	—

Lowest and highest amounts Swedish Medical Center lists for this code as an outpatient, including lines it lists for both settings or without saying which. Its price file is dated 2026-04-01. This is one line of a bill; most care brings several.

Bills to expect

The hospital’s fee is the price above. Doctors usually send their own bills. Their amounts here are what original Medicare allows in Seattle (King County) for 2026, and a private-plan estimate of 118% to 179% of that (the range found across studies of what insurers pay doctors). Those are estimates, not quotes.

Bills to expect for HCPCS A9558 at Swedish Medical Center
Bill	What it’s for	Original Medicare allows	Private plan estimate
Hospital's feeThe hospital	The service	—	The price above

Original Medicare amounts are only for people on original Medicare. Your share depends on your plan’s deductible, copay and coinsurance.

Compare HCPCS A9558 at every Washington hospital, with Medicare’s reference amounts.