H52.51
⚠ Non-billable
Internal ophthalmoplegia (complete) (total)
ICD-10-CM · FY2026 · Diseases of the Eye and Adnexa
Code
H52.51
System
ICD-10-CM
Billable
No — use specific code
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 H52.51?
ICD-10-CM code H52.51 represents Internal ophthalmoplegia (complete) (total). It is a non-billable header code requiring a more specific subcategory in the Diseases of the Eye and Adnexa chapter, effective October 1, 2025 – September 30, 2026.
Is H52.51 billable?
No. H52.51 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is H52.51 in?
H52.51 belongs to the Diseases of the Eye and Adnexa chapter (H00–H59) of ICD-10-CM.
Related codes in the H52 category
H52
Disorders of refraction and accommodation
Non-billable
H52.0
Hypermetropia
Non-billable
H52.1
Myopia
Non-billable
H52.2
Astigmatism
Non-billable
H52.3
Anisometropia and aniseikonia
Non-billable
H52.4
Presbyopia
Billable
H52.5
Disorders of accommodation
Non-billable
H52.6
Other disorders of refraction
Billable
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