Colonoscopy, diagnostic at ThedaCare Neenah. CPT 45378.
What ThedaCare Neenah publishes for this service, straight from its standard-charges file, last updated August 8, 2026.
Outpatient / ER
$1,149cash price (self-pay)
$2,605list price
$630–$3,007range insurers pay
Billed more than this?
Scan my billSnap a photo of your bill. We compare every line with these prices and coding rules, free.