Valid for Submission
H51.21 is a billable diagnosis code used to specify a medical diagnosis of internuclear ophthalmoplegia, right eye. The code H51.21 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code H51.21 might also be used to specify conditions or terms like dissociated gaze palsy, internuclear ophthalmoplegia or internuclear ophthalmoplegia of right eye.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Dissociated gaze palsy
- Internuclear ophthalmoplegia
- Internuclear ophthalmoplegia of right eye
Convert H51.21 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code H51.21 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
Information for Patients
Eye Movement Disorders
When you look at an object, you're using several muscles to move both eyes to focus on it. If you have a problem with the muscles, the eyes don't work properly.
There are many kinds of eye movement disorders. Two common ones are
- Strabismus - a disorder in which the two eyes don't line up in the same direction. This results in "crossed eyes" or "walleye."
- Nystagmus - fast, uncontrollable movements of the eyes, sometimes called "dancing eyes"
Some eye movement disorders are present at birth. Others develop over time and may be associated with other problems, such as injuries. Treatments include glasses, patches, eye muscle exercises, and surgery. There is no cure for some kinds of eye movement disorders, such as most kinds of nystagmus.
[Learn More in MedlinePlus]