ICD-10-CM › H00-H59 › H49-H52 › H49 Paralytic strabismus › H49.0
Third [oculomotor] nerve palsy
Not billableICD-10-CM diagnosis code.
This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.
Submit one of these 4 more specific codes instead:
What has happened to this code
Every change the publisher made, from 2012 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2012 Added to the draft code set draft Third [oculomotor] nerve palsy
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from H49 Paralytic strabismus
Excludes2 - not included here
- internal ophthalmoplegia (H52.51-)
- internuclear ophthalmoplegia (H51.2-)
- progressive supranuclear ophthalmoplegia (G23.1)
Inherited from the H49-H52 section Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)
Excludes2 - not included here
- nystagmus and other irregular eye movements (H55)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Squint
- Heterotropia
- Neurophthisis
- Neurosclerosis
- Ophthalmoplegia
- Endoperineuritis
- Irritation > nerve
- Compression > nerve
- Neuritis > oculomotor
- Palsy > cranial nerve
- Nothnagel's > syndrome
- Disorder > cranial nerve
- Atrophy, atrophic > nerve
- Disease, diseased > nerve
- Syndrome > eye retraction
- Irritation > cranial nerve
- Disorder > nerve > cerebral
- Disturbance > cranial nerve
- Mononeuritis > cranial nerve
- Paralysis, paralytic > nerve
- Compression > nerve > cranial
- Disturbance > cerebral > nerve
- Disease, diseased > eye > muscle
- Disorder > nerve > oculomotor NEC
- Paralysis, paralytic > oculomotor
- Degeneration, degenerative > nerve
- Neuropathy, neuropathic > ischemic
- Compression > cranial nerve > third
- Disease, diseased > muscle > ocular
- Cicatrix > muscle > with contracture
- Insufficiency, insufficient > muscle
- Neuralgia, neuralgic > nerve, cranial
- Atrophy, atrophic > nerve > oculomotor
- Degeneration, degenerative > Wallerian
- Disorder > nerve > cranial > third NEC
- Neuralgia, neuralgic > cranial > nerve
- Paralysis, paralytic > nerve > oculomotor
- Atrophy, atrophic > nerve > cranial > third
- Syndrome > ophthalmoplegia-cerebellar ataxia
- Contraction, contracture, contracted > flaccid
Showing 40 of 53 index phrases.
Codes in the same group
| Code | Description | Status |
|---|---|---|
| H49.1 | Fourth [trochlear] nerve palsy | Not billable |
| H49.2 | Sixth [abducent] nerve palsy | Not billable |
| H49.3 | Total (external) ophthalmoplegia | Not billable |
| H49.4 | Progressive external ophthalmoplegia | Not billable |
| H49.8 | Other paralytic strabismus | Not billable |
| H49.9 | Unspecified paralytic strabismus | Valid |