H49.9

H49.9: Unspecified paralytic strabismus

Billable / specific codeICD-10-CM

H49.9 is a billable, specific ICD-10-CM code for unspecified paralytic strabismus. It is valid for submission on a claim.

Check H49.9 with the rest of the claim: free scrubber

Excludes2 inherited from the categories above H49.9

Not part of this code, but both may be coded when both are present.

Written on H49: Paralytic strabismus

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

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H49.9 is named in 19 Medicare coverage policies: 19 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56612Billing and Coding: CT of the Head
A56631Billing and Coding: Thoracic Aortography and Carotid, Vertebral, and Subclavian Angiography
A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
A56799Billing and Coding: Visual Fields Testing

Alphabetic index entries that lead here

Paralysis, paralytic›eye muscle(extrinsic)
Paralysis, paralytic›ocular
Paralysis, paralytic›rectus muscle(eye)
Paresis›extrinsic muscle, eye
Strabismus›paralytic
Paralysis, paralytic›muscle, muscular NEC›eye(extrinsic)

Code history

Unchanged in every release from FY2024 to FY2027.