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ICD-10-CM 2027

ICD-10 code for internal ophthalmoplegia

H52.51

Internal ophthalmoplegia (complete) (total)

Header — needs a more specific code

From the official ICD-10-CM alphabetic index entry “Ophthalmoplegia › internal (complete) (total)”. Page updated September 29, 2026.

About coding internal ophthalmoplegia

The ICD-10-CM code for internal ophthalmoplegia is H52.51 (Internal ophthalmoplegia (complete) (total)).

Within H52.5 (disorders of accommodation), H52.51 is specifically for internal ophthalmoplegia (complete) (total). Related codes cover paresis of accommodation (H52.52) and spasm of accommodation (H52.53).

To report this condition, pick the subcode that matches the documentation: H52.511 (right eye), H52.512 (left eye), H52.513 (bilateral) and H52.519 (unspecified eye).

It has been part of ICD-10-CM since the code set took effect on October 1, 2015 and hasn't changed since.

Common questions about internal ophthalmoplegia ICD-10 codes

What is the ICD-10 code for internal ophthalmoplegia?

H52.51 — Internal ophthalmoplegia (complete) (total) (a header code; report a more specific subcode).

Is H52.51 billable?

No. H52.51 is a header code. Report one of its more specific subcodes instead.