Other strabismus
In Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52), chapter 7: Diseases of the Eye and Adnexa
75 billable codes under H50: none are a CC or MCC; none map to an HCC.
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Instructional notes
Also applies, from Disorders of ocular muscles, binocular movement, accommodation and refraction (H49-H52)
These notes sit on H49-H52 and apply to every code under it, including H50.
Excludes2: not included here, code separately if applicable
- nystagmus and other irregular eye movements (H55)
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers coding glaucoma by type, eye, and stage, including bilateral cases and stage changes, and coding blindness or low vision when the impairment category is undocumented.
All codes under H50
H50 can't be used on a claim. Pick a billable code below; grey headings group them.
- H50.0Esotropia
- H50.00Unspecified esotropia
- H50.01Monocular esotropia
- H50.011Monocular esotropia, right eye
- H50.012Monocular esotropia, left eye
- H50.02Monocular esotropia with A pattern
- H50.021Monocular esotropia with A pattern, right eye
- H50.022Monocular esotropia with A pattern, left eye
- H50.03Monocular esotropia with V pattern
- H50.031Monocular esotropia with V pattern, right eye
- H50.032Monocular esotropia with V pattern, left eye
- H50.04Monocular esotropia with other noncomitancies
- H50.041Monocular esotropia with other noncomitancies, right eye
- H50.042Monocular esotropia with other noncomitancies, left eye
- H50.05Alternating esotropia
- H50.06Alternating esotropia with A pattern
- H50.07Alternating esotropia with V pattern
- H50.08Alternating esotropia with other noncomitancies
- H50.1Exotropia
- H50.10Unspecified exotropia
- H50.11Monocular exotropia
- H50.111Monocular exotropia, right eye
- H50.112Monocular exotropia, left eye
- H50.12Monocular exotropia with A pattern
- H50.121Monocular exotropia with A pattern, right eye
- H50.122Monocular exotropia with A pattern, left eye
- H50.13Monocular exotropia with V pattern
- H50.131Monocular exotropia with V pattern, right eye
- H50.132Monocular exotropia with V pattern, left eye
- H50.14Monocular exotropia with other noncomitancies
- H50.141Monocular exotropia with other noncomitancies, right eye
- H50.142Monocular exotropia with other noncomitancies, left eye
- H50.15Alternating exotropia
- H50.16Alternating exotropia with A pattern
- H50.17Alternating exotropia with V pattern
- H50.18Alternating exotropia with other noncomitancies
- H50.2Vertical strabismus
- H50.21Vertical strabismus, right eye
- H50.22Vertical strabismus, left eye
- H50.3Intermittent heterotropia
- H50.30Unspecified intermittent heterotropia
- H50.31Intermittent monocular esotropia
- H50.311Intermittent monocular esotropia, right eye
- H50.312Intermittent monocular esotropia, left eye
- H50.32Intermittent alternating esotropia
- H50.33Intermittent monocular exotropia
- H50.331Intermittent monocular exotropia, right eye
- H50.332Intermittent monocular exotropia, left eye
- H50.34Intermittent alternating exotropia
- H50.4Other and unspecified heterotropia
- H50.40Unspecified heterotropia
- H50.41Cyclotropia
- H50.411Cyclotropia, right eye
- H50.412Cyclotropia, left eye
- H50.42Monofixation syndrome
- H50.43Accommodative component in esotropia
- H50.5Heterophoria
- H50.50Unspecified heterophoria
- H50.51Esophoria
- H50.52Exophoria
- H50.53Vertical heterophoria
- H50.54Cyclophoria
- H50.55Alternating heterophoria
- H50.6Mechanical strabismus
- H50.60Mechanical strabismus, unspecified
- H50.61Brown's sheath syndrome
- H50.611Brown's sheath syndrome, right eye
- H50.612Brown's sheath syndrome, left eye
- H50.62Inferior oblique muscle entrapment
- H50.621Inferior oblique muscle entrapment, right eye
- H50.622Inferior oblique muscle entrapment, left eye
- H50.629Inferior oblique muscle entrapment, unspecified eye
- H50.63Inferior rectus muscle entrapment
- H50.631Inferior rectus muscle entrapment, right eye
- H50.632Inferior rectus muscle entrapment, left eye
- H50.639Inferior rectus muscle entrapment, unspecified eye
- H50.64Lateral rectus muscle entrapment
- H50.641Lateral rectus muscle entrapment, right eye
- H50.642Lateral rectus muscle entrapment, left eye
- H50.649Lateral rectus muscle entrapment, unspecified eye
- H50.65Medial rectus muscle entrapment
- H50.651Medial rectus muscle entrapment, right eye
- H50.652Medial rectus muscle entrapment, left eye
- H50.659Medial rectus muscle entrapment, unspecified eye
- H50.66Superior oblique muscle entrapment
- H50.661Superior oblique muscle entrapment, right eye
- H50.662Superior oblique muscle entrapment, left eye
- H50.669Superior oblique muscle entrapment, unspecified eye
- H50.67Superior rectus muscle entrapment
- H50.671Superior rectus muscle entrapment, right eye
- H50.672Superior rectus muscle entrapment, left eye
- H50.679Superior rectus muscle entrapment, unspecified eye
- H50.68Extraocular muscle entrapment, unspecified
- H50.681Extraocular muscle entrapment, unspecified, right eye
- H50.682Extraocular muscle entrapment, unspecified, left eye
- H50.689Extraocular muscle entrapment, unspecified, unspecified eye
- H50.69Other mechanical strabismus
- H50.8Other specified strabismus
- H50.81Duane's syndrome
- H50.811Duane's syndrome, right eye
- H50.812Duane's syndrome, left eye
- H50.89Other specified strabismus
- H50.9Unspecified strabismus
H50 MS-DRGs
As the principal diagnosis, the billable codes under H50 group to MS-DRG 124, 125, or 123 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
- DRG 124 Other Disorders of the Eye with MCC or Thrombolytic Agent (74 of 75 codes)
- DRG 125 Other Disorders of the Eye without MCC (74 of 75 codes)
- DRG 123 Neurological Eye Disorders (1 of 75 codes)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
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.
Read more about eye movement disorders on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
