H49.33
✓ Billable
Total (external) ophthalmoplegia, bilateral
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H49.33
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Eye and Adnexa
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code H49.33?
ICD-10-CM code H49.33 represents Total (external) ophthalmoplegia, bilateral. It is a billable diagnosis code in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H49.33 billable?
Yes. H49.33 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is H49.33 in?
H49.33 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H49 category
H49
Paralytic strabismus
Non-billable
H49.0
Third [oculomotor] nerve palsy
Non-billable
H49.1
Fourth [trochlear] nerve palsy
Non-billable
H49.2
Sixth [abducent] nerve palsy
Non-billable
H49.3
Total (external) ophthalmoplegia
Non-billable
H49.4
Progressive external ophthalmoplegia
Non-billable
H49.8
Other paralytic strabismus
Non-billable
H49.9
Unspecified paralytic strabismus
Billable
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