Laser treatment of clouding after cataract surgery (YAG) in Chicago-Naperville-Elgin, IL-IN — inpatient
In Chicago-Naperville-Elgin, IL-IN, 9 hospitals list a cash price for Laser treatment of clouding after cataract surgery (YAG) as an inpatient: from $343.85 to $5,356.00, with a median of $1,309.00. The lowest listed price is at NorthShore University HealthSystems Evanston Hospital.
Cash prices at 9 facilities across 7 cities for code 66821, as an inpatient (admitted to hospital) . Collected Sep 23, 2026; the hospital files themselves were last updated between Nov 4, 2025 and Apr 1, 2026.
Where each hospital's price falls
Each dot is one hospital's cash price on a scale from the lowest to the highest in Chicago-Naperville-Elgin, IL-IN.
Hospitals, cheapest first
| Hospital | Cash price | List price | Off list | File date |
|---|---|---|---|---|
| NorthShore University HealthSystems Evanston Hospital lowest Evanson, IL Yag-Laser Capsulotomy 1+Stg | $343.85 | $529.00 | 35% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Yag-Laser Capsulotomy 1+Stg | $343.85 | $529.00 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Yag-Laser Capsulotomy 1+Stg | $343.85 | $529.00 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Yag-Laser Capsulotomy 1+Stg | $343.85 | $529.00 | 35% | — source file |
| Swedish Covenant Health Chicago, IL YAG-LASER CAPSULOTOMY 1+STG | $665.00 | $665.00 | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL YAG-LASER CAPSULOTOMY 1+STG | $665.00 | $665.00 | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Evanston, IL YAG-LASER CAPSULOTOMY 1+STG | $665.00 | $665.00 | — | Apr 1, 2026 source file |
| Advocate South Suburban Hospital Hazel Crest, IL CAPSULOTOMY W/LASER (YAG) | $915.00 | $1,830.00 | 50% | Nov 4, 2025 source file |
| NorthShore University HealthSystems Evanston Hospital Evanson, IL Yag-Capsulotomy | $1,703.00 | $2,620.00 | 35% | — source file |
| NorthShore University HealthSystems Glenbrook Hospital Glenview, IL Yag-Capsulotomy | $1,703.00 | $2,620.00 | 35% | — source file |
| NorthShore University HealthSystems Highland Park Hospital Highland Park, IL Yag-Capsulotomy | $1,703.00 | $2,620.00 | 35% | — source file |
| NorthShore University HealthSystems Skokie Hospital Skokie, IL Yag-Capsulotomy | $1,703.00 | $2,620.00 | 35% | — source file |
| Endeavor Health Clinical Operations Evanston, IL HB YAG-CAPSULOTOMY | $2,620.00 | $2,620.00 | — | Apr 1, 2026 source file |
| Endeavor Health Clinical Operations Highland Park, IL HB YAG-CAPSULOTOMY | $2,620.00 | $2,620.00 | — | Apr 1, 2026 source file |
| Swedish Covenant Health Chicago, IL HB YAG-CAPSULOTOMY | $2,620.00 | $2,620.00 | — | Apr 1, 2026 source file |
| The University of Chicago Medical Center Chicago, IL Hc Discission Of Secondary Membranous Cataract; Laser Surgery | $5,356.00 | $5,356.00 | — | Apr 1, 2026 source file |
Inpatient: lowest $343.85, median $1,309.00, highest $5,356.00 — a 15.6× difference within the same market.
As an outpatient, the same code is billed by 13 facilities here, median $665.00 — that is the price to compare if you are not being admitted.
What it is
YAG laser capsulotomy treats clouding of the thin membrane behind the lens implant that can develop months or years after cataract surgery. A laser makes a small opening in the cloudy membrane to clear vision.
What the price covers
The price covers the laser treatment of one eye. Eye exams before and after and any eye drops may be billed separately, and treating the second eye is billed again.