Laser treatment of clouding after cataract surgery (YAG) at Mercy Hospital St. Louis
CPT 66821 · Saint Louis, MO
These are Mercy Hospital St. Louis's own posted figures from its standard-charges file dated June 4, 2026. They are not a quote. Source: the hospital's file · its price transparency page.
Across 7 Missouri hospitals we index that post a cash price for this service: lowest $756.60, median $1,281.09, highest $13,263.43. See every hospital.
Nearby hospitals, same service
| Hospital | Distance | Cash price | Gross charge | File date |
|---|---|---|---|---|
| Barnes Jewish Hospital Saint Louis, MO | 10.4 mi | $8,545.22 | $14,242.04 | 2025-12-15 |
| St. Louis Childrens Hospital Saint Louis, MO | 10.4 mi | $13,263.43 | $22,105.72 | 2025-12-15 |
| Mercy Hospital South Saint Louis, MO | 12.1 mi | $1,575.60 | $2,424.00 | 2026-06-10 |
| Alton Memorial Hospital Alton, IL | 26.0 mi | $3,821.52 | $6,369.20 | 2025-12-15 |
| Mercy Hospital Washington Washington, MO | 33.1 mi | $756.60 | $1,164.00 | 2026-06-10 |
| Mercy Hospital Lincoln Troy, MO | 37.5 mi | $1,214.78 | $1,868.90 | 2026-06-10 |
| Missouri Baptist Sullivan Hospital Sullivan, MO | 45.6 mi | $1,281.09 | $2,135.15 | 2025-12-15 |
| HSHS Holy Family Hospital Inc Greenville, IL | 57.6 mi | $519.84 | $722.00 | 2026-03-24 |
Distances are straight-line from ZIP code centers. Each hospital's figures come from its own file; files are updated on different dates.
Every row for CPT 66821 in this hospital's file
| Row in the hospital's file | Setting | Cash | Gross | Insurer min – max |
|---|---|---|---|---|
| Laser Yag Treatment line 2141281 | outpatient | $756.60 | $1,164.00 | |
| Laser Yag Treatment line 2141322 | outpatient | $756.60 | $1,164.00 | $75.66 – $1,164.00 |
| Laser Yag Treatment line 5076488 | outpatient | $756.60 | $1,164.00 | $3,897.00 – $7,801.00 |
The first row is the one used above. A price for one code usually covers the hospital's facility charge only; the doctor, anesthesia, pathology and other services can be billed separately. Ask the hospital for a good faith estimate before a scheduled service: if you pay yourself and the bill comes in $400 or more above the estimate, you can dispute it under the No Surprises Act.
Check a bill from this hospital All Mercy Hospital St. Louis prices