H51: Other disorders of binocular movement
Codes under H51 (Other disorders of binocular movement). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| H51.0 | Palsy (spasm) of conjugate gaze | ✓ |
| H51.0 | Palsy (spasm) of conjugate gaze | ✓ |
| H51.1 | Convergence insufficiency and excess | — |
| H51.1 | Convergence insufficiency and excess | — |
| H51.2 | Internuclear ophthalmoplegia | — |
| H51.2 | Internuclear ophthalmoplegia | — |
| H51.8 | Other specified disorders of binocular movement | ✓ |
| H51.8 | Other specified disorders of binocular movement | ✓ |
| H51.9 | Unspecified disorder of binocular movement | ✓ |
| H51.9 | Unspecified disorder of binocular movement | ✓ |
| H51.11 | Convergence insufficiency | ✓ |
| H51.11 | Convergence insufficiency | ✓ |
| H51.12 | Convergence excess | ✓ |
| H51.12 | Convergence excess | ✓ |
| H51.20 | Internuclear ophthalmoplegia, unspecified eye | ✓ |
| H51.20 | Internuclear ophthalmoplegia, unspecified eye | ✓ |
| H51.21 | Internuclear ophthalmoplegia, right eye | ✓ |
| H51.21 | Internuclear ophthalmoplegia, right eye | ✓ |
| H51.22 | Internuclear ophthalmoplegia, left eye | ✓ |
| H51.22 | Internuclear ophthalmoplegia, left eye | ✓ |
| H51.23 | Internuclear ophthalmoplegia, bilateral | ✓ |
| H51.23 | Internuclear ophthalmoplegia, bilateral | ✓ |
Frequently asked questions
What is ICD-10-CM code H51?
H51 is an ICD-10-CM category covering Other disorders of binocular movement. It contains 22 more specific diagnosis codes, 18 of which are billable.
Is H51 a billable code?
No — H51 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example H51.0 — Palsy (spasm) of conjugate gaze). 18 of the 22 codes under H51 are billable.
What codes fall under H51?
H51 includes H51.0, H51.0, H51.1, H51.1, H51.2, plus 17 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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