| H33 | Retinal detachments and breaks | NON-BILLABLE CODE |
| H33.0 | Retinal detachment with retinal break | NON-BILLABLE CODE |
| H33.00 | Unspecified retinal detachment with retinal break | NON-BILLABLE CODE |
| H33.001 | Unspecified retinal detachment with retinal break, right eye | BILLABLE CODE |
| H33.002 | Unspecified retinal detachment with retinal break, left eye | BILLABLE CODE |
| H33.003 | Unspecified retinal detachment with retinal break, bilateral | BILLABLE CODE |
| H33.009 | Unspecified retinal detachment with retinal break, unspecified eye | BILLABLE CODE |
| H33.01 | Retinal detachment with single break | NON-BILLABLE CODE |
| H33.011 | Retinal detachment with single break, right eye | BILLABLE CODE |
| H33.012 | Retinal detachment with single break, left eye | BILLABLE CODE |
| H33.013 | Retinal detachment with single break, bilateral | BILLABLE CODE |
| H33.019 | Retinal detachment with single break, unspecified eye | BILLABLE CODE |
| H33.02 | Retinal detachment with multiple breaks | NON-BILLABLE CODE |
| H33.021 | Retinal detachment with multiple breaks, right eye | BILLABLE CODE |
| H33.022 | Retinal detachment with multiple breaks, left eye | BILLABLE CODE |
| H33.023 | Retinal detachment with multiple breaks, bilateral | BILLABLE CODE |
| H33.029 | Retinal detachment with multiple breaks, unspecified eye | BILLABLE CODE |
| H33.03 | Retinal detachment with giant retinal tear | NON-BILLABLE CODE |
| H33.031 | Retinal detachment with giant retinal tear, right eye | BILLABLE CODE |
| H33.032 | Retinal detachment with giant retinal tear, left eye | BILLABLE CODE |
| H33.033 | Retinal detachment with giant retinal tear, bilateral | BILLABLE CODE |
| H33.039 | Retinal detachment with giant retinal tear, unspecified eye | BILLABLE CODE |
| H33.04 | Retinal detachment with retinal dialysis | NON-BILLABLE CODE |
| H33.041 | Retinal detachment with retinal dialysis, right eye | BILLABLE CODE |
| H33.042 | Retinal detachment with retinal dialysis, left eye | BILLABLE CODE |
| H33.043 | Retinal detachment with retinal dialysis, bilateral | BILLABLE CODE |
| H33.049 | Retinal detachment with retinal dialysis, unspecified eye | BILLABLE CODE |
| H33.05 | Total retinal detachment | NON-BILLABLE CODE |
| H33.051 | Total retinal detachment, right eye | BILLABLE CODE |
| H33.052 | Total retinal detachment, left eye | BILLABLE CODE |
| H33.053 | Total retinal detachment, bilateral | BILLABLE CODE |
| H33.059 | Total retinal detachment, unspecified eye | BILLABLE CODE |
| H33.1 | Retinoschisis and retinal cysts | NON-BILLABLE CODE |
| H33.10 | Unspecified retinoschisis | NON-BILLABLE CODE |
| H33.101 | Unspecified retinoschisis, right eye | BILLABLE CODE |
| H33.102 | Unspecified retinoschisis, left eye | BILLABLE CODE |
| H33.103 | Unspecified retinoschisis, bilateral | BILLABLE CODE |
| H33.109 | Unspecified retinoschisis, unspecified eye | BILLABLE CODE |
| H33.11 | Cyst of ora serrata | NON-BILLABLE CODE |
| H33.111 | Cyst of ora serrata, right eye | BILLABLE CODE |
| H33.112 | Cyst of ora serrata, left eye | BILLABLE CODE |
| H33.113 | Cyst of ora serrata, bilateral | BILLABLE CODE |
| H33.119 | Cyst of ora serrata, unspecified eye | BILLABLE CODE |
| H33.12 | Parasitic cyst of retina | NON-BILLABLE CODE |
| H33.121 | Parasitic cyst of retina, right eye | BILLABLE CODE |
| H33.122 | Parasitic cyst of retina, left eye | BILLABLE CODE |
| H33.123 | Parasitic cyst of retina, bilateral | BILLABLE CODE |
| H33.129 | Parasitic cyst of retina, unspecified eye | BILLABLE CODE |
| H33.19 | Other retinoschisis and retinal cysts | NON-BILLABLE CODE |
| H33.191 | Other retinoschisis and retinal cysts, right eye | BILLABLE CODE |
| H33.192 | Other retinoschisis and retinal cysts, left eye | BILLABLE CODE |
| H33.193 | Other retinoschisis and retinal cysts, bilateral | BILLABLE CODE |
| H33.199 | Other retinoschisis and retinal cysts, unspecified eye | BILLABLE CODE |
| H33.2 | Serous retinal detachment | NON-BILLABLE CODE |
| H33.20 | Serous retinal detachment, unspecified eye | BILLABLE CODE |
| H33.21 | Serous retinal detachment, right eye | BILLABLE CODE |
| H33.22 | Serous retinal detachment, left eye | BILLABLE CODE |
| H33.3 | Retinal breaks without detachment | NON-BILLABLE CODE |
| H33.30 | Unspecified retinal break | NON-BILLABLE CODE |
| H33.301 | Unspecified retinal break, right eye | BILLABLE CODE |
| H33.302 | Unspecified retinal break, left eye | BILLABLE CODE |
| H33.303 | Unspecified retinal break, bilateral | BILLABLE CODE |
| H33.309 | Unspecified retinal break, unspecified eye | BILLABLE CODE |
| H33.31 | Horseshoe tear of retina without detachment | NON-BILLABLE CODE |
| H33.311 | Horseshoe tear of retina without detachment, right eye | BILLABLE CODE |
| H33.312 | Horseshoe tear of retina without detachment, left eye | BILLABLE CODE |
| H33.313 | Horseshoe tear of retina without detachment, bilateral | BILLABLE CODE |
| H33.319 | Horseshoe tear of retina without detachment, unspecified eye | BILLABLE CODE |
| H33.32 | Round hole of retina without detachment | NON-BILLABLE CODE |
| H33.321 | Round hole, right eye | BILLABLE CODE |
| H33.322 | Round hole, left eye | BILLABLE CODE |
| H33.323 | Round hole, bilateral | BILLABLE CODE |
| H33.329 | Round hole, unspecified eye | BILLABLE CODE |
| H33.33 | Multiple defects of retina without detachment | NON-BILLABLE CODE |
| H33.331 | Multiple defects of retina without detachment, right eye | BILLABLE CODE |
| H33.332 | Multiple defects of retina without detachment, left eye | BILLABLE CODE |
| H33.333 | Multiple defects of retina without detachment, bilateral | BILLABLE CODE |
| H33.339 | Multiple defects of retina without detachment, unspecified eye | BILLABLE CODE |
| H33.4 | Traction detachment of retina | NON-BILLABLE CODE |
| H33.40 | Traction detachment of retina, unspecified eye | BILLABLE CODE |
| H33.41 | Traction detachment of retina, right eye | BILLABLE CODE |
| H33.42 | Traction detachment of retina, left eye | BILLABLE CODE |
| H33.43 | Traction detachment of retina, bilateral | BILLABLE CODE |
| H33.8 | Other retinal detachments | BILLABLE CODE |
