| H00 | Hordeolum and chalazion | NON-BILLABLE CODE |
| H00.0 | Hordeolum (externum) (internum) of eyelid | NON-BILLABLE CODE |
| H00.01 | Hordeolum externum | NON-BILLABLE CODE |
| H00.011 | Hordeolum externum right upper eyelid | BILLABLE CODE |
| H00.012 | Hordeolum externum right lower eyelid | BILLABLE CODE |
| H00.013 | Hordeolum externum right eye, unspecified eyelid | BILLABLE CODE |
| H00.014 | Hordeolum externum left upper eyelid | BILLABLE CODE |
| H00.015 | Hordeolum externum left lower eyelid | BILLABLE CODE |
| H00.016 | Hordeolum externum left eye, unspecified eyelid | BILLABLE CODE |
| H00.019 | Hordeolum externum unspecified eye, unspecified eyelid | BILLABLE CODE |
| H00.02 | Hordeolum internum | NON-BILLABLE CODE |
| H00.021 | Hordeolum internum right upper eyelid | BILLABLE CODE |
| H00.022 | Hordeolum internum right lower eyelid | BILLABLE CODE |
| H00.023 | Hordeolum internum right eye, unspecified eyelid | BILLABLE CODE |
| H00.024 | Hordeolum internum left upper eyelid | BILLABLE CODE |
| H00.025 | Hordeolum internum left lower eyelid | BILLABLE CODE |
| H00.026 | Hordeolum internum left eye, unspecified eyelid | BILLABLE CODE |
| H00.029 | Hordeolum internum unspecified eye, unspecified eyelid | BILLABLE CODE |
| H00.03 | Abscess of eyelid | NON-BILLABLE CODE |
| H00.031 | Abscess of right upper eyelid | BILLABLE CODE |
| H00.032 | Abscess of right lower eyelid | BILLABLE CODE |
| H00.033 | Abscess of eyelid right eye, unspecified eyelid | BILLABLE CODE |
| H00.034 | Abscess of left upper eyelid | BILLABLE CODE |
| H00.035 | Abscess of left lower eyelid | BILLABLE CODE |
| H00.036 | Abscess of eyelid left eye, unspecified eyelid | BILLABLE CODE |
| H00.039 | Abscess of eyelid unspecified eye, unspecified eyelid | BILLABLE CODE |
| H00.1 | Chalazion | NON-BILLABLE CODE |
| H00.12 | Chalazion right lower eyelid | BILLABLE CODE |
| H00.13 | Chalazion right eye, unspecified eyelid | BILLABLE CODE |
| H00.14 | Chalazion left upper eyelid | BILLABLE CODE |
| H00.15 | Chalazion left lower eyelid | BILLABLE CODE |
| H00.16 | Chalazion left eye, unspecified eyelid | BILLABLE CODE |
| H00.19 | Chalazion unspecified eye, unspecified eyelid | BILLABLE CODE |
