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H49

Non-billable

Paralytic strabismus

H49 is the ICD-10-CM code for Paralytic strabismus. It is a non-billable category code — use a more specific child code such as H49.0 for billing.

Status
Header (non-billable)
Chapter
H00-H59
Subcodes
7
Edition
FY2026

H00-H59 Diseases of the eye and adnexa

What this means — in plain language

MedlinePlus · NIH

When you look at an object, you're using several muscles to move both eyes to focus on it. If you have a problem with the muscles, the eyes don't work properly. There are many kinds of eye movement disorders. Two common ones are: Strabismus - a disorder in which the two eyes don't line up in the same direction. This results in "crossed eyes" or "walleye." Nystagmus - fast, uncontrollable movements of the eyes,…

Read more about Eye Movement Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes2 — not included here

  • •internal ophthalmoplegia (H52.51-)
  • •internuclear ophthalmoplegia (H51.2-)
  • •progressive supranuclear ophthalmoplegia (G23.1)

Frequently asked questions

What is ICD-10 code H49?
H49 is the ICD-10-CM code for "Paralytic strabismus". It falls under H00-H59 Diseases of the eye and adnexa.
Is H49 a billable code?
No — H49 is a non-billable header code. Use a more specific child code (such as H49.0) for billing.
What are the subcodes of H49?
H49 has 7 more specific child codes, including H49.0, H49.1, H49.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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