| H05 | Disorders of orbit | NON-BILLABLE CODE |
| H05.0 | Acute inflammation of orbit | NON-BILLABLE CODE |
| H05.00 | Unspecified acute inflammation of orbit | BILLABLE CODE |
| H05.01 | Cellulitis of orbit | NON-BILLABLE CODE |
| H05.011 | Cellulitis of right orbit | BILLABLE CODE |
| H05.012 | Cellulitis of left orbit | BILLABLE CODE |
| H05.013 | Cellulitis of bilateral orbits | BILLABLE CODE |
| H05.019 | Cellulitis of unspecified orbit | BILLABLE CODE |
| H05.02 | Osteomyelitis of orbit | NON-BILLABLE CODE |
| H05.021 | Osteomyelitis of right orbit | BILLABLE CODE |
| H05.022 | Osteomyelitis of left orbit | BILLABLE CODE |
| H05.023 | Osteomyelitis of bilateral orbits | BILLABLE CODE |
| H05.029 | Osteomyelitis of unspecified orbit | BILLABLE CODE |
| H05.03 | Periostitis of orbit | NON-BILLABLE CODE |
| H05.031 | Periostitis of right orbit | BILLABLE CODE |
| H05.032 | Periostitis of left orbit | BILLABLE CODE |
| H05.033 | Periostitis of bilateral orbits | BILLABLE CODE |
| H05.039 | Periostitis of unspecified orbit | BILLABLE CODE |
| H05.04 | Tenonitis of orbit | NON-BILLABLE CODE |
| H05.041 | Tenonitis of right orbit | BILLABLE CODE |
| H05.042 | Tenonitis of left orbit | BILLABLE CODE |
| H05.043 | Tenonitis of bilateral orbits | BILLABLE CODE |
| H05.049 | Tenonitis of unspecified orbit | BILLABLE CODE |
| H05.1 | Chronic inflammatory disorders of orbit | NON-BILLABLE CODE |
| H05.10 | Unspecified chronic inflammatory disorders of orbit | BILLABLE CODE |
| H05.11 | Granuloma of orbit | NON-BILLABLE CODE |
| H05.111 | Granuloma of right orbit | BILLABLE CODE |
| H05.112 | Granuloma of left orbit | BILLABLE CODE |
| H05.113 | Granuloma of bilateral orbits | BILLABLE CODE |
| H05.119 | Granuloma of unspecified orbit | BILLABLE CODE |
| H05.12 | Orbital myositis | NON-BILLABLE CODE |
| H05.121 | Orbital myositis, right orbit | BILLABLE CODE |
| H05.122 | Orbital myositis, left orbit | BILLABLE CODE |
| H05.123 | Orbital myositis, bilateral | BILLABLE CODE |
| H05.129 | Orbital myositis, unspecified orbit | BILLABLE CODE |
| H05.2 | Exophthalmic conditions | NON-BILLABLE CODE |
| H05.20 | Unspecified exophthalmos | BILLABLE CODE |
| H05.21 | Displacement (lateral) of globe | NON-BILLABLE CODE |
| H05.211 | Displacement (lateral) of globe, right eye | BILLABLE CODE |
| H05.212 | Displacement (lateral) of globe, left eye | BILLABLE CODE |
| H05.213 | Displacement (lateral) of globe, bilateral | BILLABLE CODE |
| H05.219 | Displacement (lateral) of globe, unspecified eye | BILLABLE CODE |
| H05.22 | Edema of orbit | NON-BILLABLE CODE |
| H05.221 | Edema of right orbit | BILLABLE CODE |
| H05.222 | Edema of left orbit | BILLABLE CODE |
| H05.223 | Edema of bilateral orbit | BILLABLE CODE |
| H05.23 | Hemorrhage of orbit | NON-BILLABLE CODE |
| H05.231 | Hemorrhage of right orbit | BILLABLE CODE |
| H05.232 | Hemorrhage of left orbit | BILLABLE CODE |
| H05.233 | Hemorrhage of bilateral orbit | BILLABLE CODE |
| H05.239 | Hemorrhage of unspecified orbit | BILLABLE CODE |
| H05.24 | Constant exophthalmos | NON-BILLABLE CODE |
| H05.241 | Constant exophthalmos, right eye | BILLABLE CODE |
| H05.242 | Constant exophthalmos, left eye | BILLABLE CODE |
| H05.243 | Constant exophthalmos, bilateral | BILLABLE CODE |
| H05.249 | Constant exophthalmos, unspecified eye | BILLABLE CODE |
| H05.25 | Intermittent exophthalmos | NON-BILLABLE CODE |
| H05.251 | Intermittent exophthalmos, right eye | BILLABLE CODE |
| H05.252 | Intermittent exophthalmos, left eye | BILLABLE CODE |
| H05.253 | Intermittent exophthalmos, bilateral | BILLABLE CODE |
| H05.259 | Intermittent exophthalmos, unspecified eye | BILLABLE CODE |
| H05.26 | Pulsating exophthalmos | NON-BILLABLE CODE |
| H05.261 | Pulsating exophthalmos, right eye | BILLABLE CODE |
| H05.262 | Pulsating exophthalmos, left eye | BILLABLE CODE |
| H05.263 | Pulsating exophthalmos, bilateral | BILLABLE CODE |
| H05.269 | Pulsating exophthalmos, unspecified eye | BILLABLE CODE |
| H05.3 | Deformity of orbit | NON-BILLABLE CODE |
| H05.30 | Unspecified deformity of orbit | BILLABLE CODE |
| H05.31 | Atrophy of orbit | NON-BILLABLE CODE |
| H05.311 | Atrophy of right orbit | BILLABLE CODE |
| H05.312 | Atrophy of left orbit | BILLABLE CODE |
| H05.313 | Atrophy of bilateral orbit | BILLABLE CODE |
| H05.319 | Atrophy of unspecified orbit | BILLABLE CODE |
| H05.32 | Deformity of orbit due to bone disease | NON-BILLABLE CODE |
| H05.321 | Deformity of right orbit due to bone disease | BILLABLE CODE |
| H05.322 | Deformity of left orbit due to bone disease | BILLABLE CODE |
| H05.323 | Deformity of bilateral orbits due to bone disease | BILLABLE CODE |
| H05.329 | Deformity of unspecified orbit due to bone disease | BILLABLE CODE |
| H05.33 | Deformity of orbit due to trauma or surgery | NON-BILLABLE CODE |
| H05.331 | Deformity of right orbit due to trauma or surgery | BILLABLE CODE |
| H05.332 | Deformity of left orbit due to trauma or surgery | BILLABLE CODE |
| H05.333 | Deformity of bilateral orbits due to trauma or surgery | BILLABLE CODE |
| H05.339 | Deformity of unspecified orbit due to trauma or surgery | BILLABLE CODE |
| H05.34 | Enlargement of orbit | NON-BILLABLE CODE |
| H05.341 | Enlargement of right orbit | BILLABLE CODE |
| H05.342 | Enlargement of left orbit | BILLABLE CODE |
| H05.343 | Enlargement of bilateral orbits | BILLABLE CODE |
| H05.349 | Enlargement of unspecified orbit | BILLABLE CODE |
| H05.35 | Exostosis of orbit | NON-BILLABLE CODE |
| H05.351 | Exostosis of right orbit | BILLABLE CODE |
| H05.352 | Exostosis of left orbit | BILLABLE CODE |
| H05.353 | Exostosis of bilateral orbits | BILLABLE CODE |
| H05.359 | Exostosis of unspecified orbit | BILLABLE CODE |
| H05.4 | Enophthalmos | NON-BILLABLE CODE |
| H05.40 | Unspecified enophthalmos | NON-BILLABLE CODE |
| H05.401 | Unspecified enophthalmos, right eye | BILLABLE CODE |
| H05.402 | Unspecified enophthalmos, left eye | BILLABLE CODE |
| H05.403 | Unspecified enophthalmos, bilateral | BILLABLE CODE |
| H05.409 | Unspecified enophthalmos, unspecified eye | BILLABLE CODE |
| H05.41 | Enophthalmos due to atrophy of orbital tissue | NON-BILLABLE CODE |
| H05.411 | Enophthalmos due to atrophy of orbital tissue, right eye | BILLABLE CODE |
| H05.412 | Enophthalmos due to atrophy of orbital tissue, left eye | BILLABLE CODE |
| H05.413 | Enophthalmos due to atrophy of orbital tissue, bilateral | BILLABLE CODE |
| H05.419 | Enophthalmos due to atrophy of orbital tissue, unspecified eye | BILLABLE CODE |
| H05.42 | Enophthalmos due to trauma or surgery | NON-BILLABLE CODE |
| H05.421 | Enophthalmos due to trauma or surgery, right eye | BILLABLE CODE |
| H05.422 | Enophthalmos due to trauma or surgery, left eye | BILLABLE CODE |
| H05.423 | Enophthalmos due to trauma or surgery, bilateral | BILLABLE CODE |
| H05.429 | Enophthalmos due to trauma or surgery, unspecified eye | BILLABLE CODE |
| H05.5 | Retained (old) foreign body following penetrating wound of orbit | NON-BILLABLE CODE |
| H05.50 | Retained (old) foreign body following penetrating wound of unspecified orbit | BILLABLE CODE |
| H05.51 | Retained (old) foreign body following penetrating wound of right orbit | BILLABLE CODE |
| H05.52 | Retained (old) foreign body following penetrating wound of left orbit | BILLABLE CODE |
| H05.53 | Retained (old) foreign body following penetrating wound of bilateral orbits | BILLABLE CODE |
| H05.8 | Other disorders of orbit | NON-BILLABLE CODE |
| H05.81 | Cyst of orbit | NON-BILLABLE CODE |
| H05.811 | Cyst of right orbit | BILLABLE CODE |
| H05.812 | Cyst of left orbit | BILLABLE CODE |
| H05.813 | Cyst of bilateral orbits | BILLABLE CODE |
| H05.819 | Cyst of unspecified orbit | BILLABLE CODE |
| H05.82 | Myopathy of extraocular muscles | NON-BILLABLE CODE |
| H05.821 | Myopathy of extraocular muscles, right orbit | BILLABLE CODE |
| H05.822 | Myopathy of extraocular muscles, left orbit | BILLABLE CODE |
| H05.823 | Myopathy of extraocular muscles, bilateral | BILLABLE CODE |
| H05.829 | Myopathy of extraocular muscles, unspecified orbit | BILLABLE CODE |
| H05.89 | Other disorders of orbit | BILLABLE CODE |
| H05.9 | Unspecified disorder of orbit | BILLABLE CODE |
