CPT 81509

Immunoassay

Current code27 hospitals with prices

This name is the CMS category the code belongs to (CMS's Restructured BETOS Classification System), shared with similar codes. The official CPT description belongs to the American Medical Association and isn't shown.

What Washington hospitals publish for this code

Commercial insurance: Rate negotiated with a private insurer or employer plan, including exchange and public-option plans.

Prices for CPT 81509 by hospital
Hospital	Commercial insurance rates (lowest – highest)	Cash price	List price (before discounts)
Kadlec Regional Medical CenterRichlandFile dated 2026-04-01	—	$2,389	$3,413
Providence Regional Medical Center EverettEverettFile dated 2026-04-01	—	$6,497	$12,494
Swedish Edmonds HospitalEdmondsFile dated 2026-04-01	—	$5,997	$12,494
Swedish IssaquahIssaquahFile dated 2026-04-01	—	$5,997	$12,494
Swedish Medical CenterSeattleFile dated 2026-04-01	—	$5,997	$12,494
Swedish Medical Center / Cherry HillSeattleFile dated 2026-04-01	—	$5,997	$12,494
Virginia Mason Medical CenterSeattle	$2,830 – $3,5344 plans	$2,253	$4,418

Lowest and highest amounts each hospital lists for this code during a hospital stay, including lines it lists for both settings or without saying which. A doctor’s fee is shown separately when the hospital lists one with the code. “At least” means plans were counted in more than one group and some may be the same plan. This is one line of a bill; most care brings several.

Medicare (traditional) reference

Only for people on original Medicare. These are CMS’s 2026 amounts. They aren’t what private insurance or cash patients pay.

Lab fee schedule (national limit): $1,487