Knee arthroscopy at Northwestern Medicine McHenry Hospital. CPT 29881.

What Northwestern Medicine McHenry Hospital publishes for this service, straight from its standard-charges file, last updated April 1, 2026.

Outpatient / ER

$20,461cash price (self-pay)

$29,230list price

$5,282–$9,102range insurers pay

Insurance plan	Negotiated rate
United Healthcare [158] \| Nwr UHC Core	$5,282
United Healthcare [158] \| Nwr UHC HMO/PPO	$5,868
Multiplan/Phcs [142] \| Nwr Phcs PPO	$9,102

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